-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, DZxMNJzwziLBKfLTcRnHUEINMV8Sw4sxUEGkCLQuH7JJ7ysnkN5V8YZZhZvQi9+6 A4mFB6BoTrf5+o3zRdmw2w== 0001122775-06-000129.txt : 20060207 0001122775-06-000129.hdr.sgml : 20060207 20060207172424 ACCESSION NUMBER: 0001122775-06-000129 CONFORMED SUBMISSION TYPE: 497J PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20060207 DATE AS OF CHANGE: 20060207 EFFECTIVENESS DATE: 20060207 FILER: COMPANY DATA: COMPANY CONFORMED NAME: AMERICAN CENTURY MUTUAL FUNDS, INC. CENTRAL INDEX KEY: 0000100334 IRS NUMBER: 446006315 STATE OF INCORPORATION: MO FISCAL YEAR END: 1031 FILING VALUES: FORM TYPE: 497J SEC ACT: 1933 Act SEC FILE NUMBER: 002-14213 FILM NUMBER: 06586309 BUSINESS ADDRESS: STREET 1: 4500 MAIN STREET CITY: KANSAS CITY STATE: MO ZIP: 64111 BUSINESS PHONE: 816-531-5575 MAIL ADDRESS: STREET 1: 4500 MAIN STREET CITY: KANSAS CITY STATE: MO ZIP: 64111 FORMER COMPANY: FORMER CONFORMED NAME: AMERICAN CENTURY MUTUAL FUNDS INC DATE OF NAME CHANGE: 19970107 FORMER COMPANY: FORMER CONFORMED NAME: TWENTIETH CENTURY INVESTORS INC DATE OF NAME CHANGE: 19920703 0000100334 S000006194 SELECT FUND C000017056 A CLASS AASLX C000017057 B CLASS ABSLX 0000100334 S000006198 MID CAP GROWTH FUND C000017072 INVESTOR CLASS C000017073 INSTITUTIONAL CLASS C000017074 A CLASS C000017075 B CLASS C000017076 C CLASS C000017077 R CLASS 0000100334 S000006199 SMALL CAP GROWTH FUND C000017078 INVESTOR CLASS C000017079 INSTITUTIONAL CLASS C000017080 A CLASS C000017081 B CLASS C000017082 C CLASS C000017083 R CLASS 497J 1 jan2006485b-497j.htm 497J 497J 

                          AMERICAN CENTURY INVESTMENTS
                                4500 MAIN STREET
                          KANSAS CITY, MISSOURI 64111



February 7, 2006



Securities and Exchange Commission
100 F Street, N.E.
Washington, D.C.   20549

Re: American Century Mutual Funds, Inc. (1933 Act File No. 2-14213)
    American Century Investment Trust (1933 Act File No. 33-65170)
    American Century Capital Portfolios, Inc. (1933 Act File No. 33-64872)
    American Century Quantitative Equity Funds, Inc. (1933 Act File No. 33-19589)
    American Century World Mutual Funds, Inc. (1933 Act File No. 33-39242)
    American Century Strategic Asset Allocations, Inc. (1933 Act File No. 33-79482)
    American Century Municipal Trust (1933 Act File No. 2-91229)
    (collectively, the "Registrants")

Ladies and Gentlemen:

     Pursuant to Rule 497(j) under the Securities  Act of 1933, the  Registrants
hereby  certify that the form of  prospectus  the  Registrants  would have filed
under  paragraph (b) of Rule 497 would not have differed from that  contained in
Post-Effective  Amendment No. 1 to the  Registration  Statements on Form N-14 of
the Registrants, the text of which was filed electronically on January 27, 2006.

     If you have any  questions  about this filing,  please  contact me at (816)
340-7276.

                                     Sincerely,



                                     /s/ Brian L. Brogan
                                     ---------------------------------------
                                     Brian L. Brogan
                                     Vice President and
                                     Associate General Counsel
BLB/dnh
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