Exhibit 23.4


Consent of Ernst & Young, LLP, Independent Auditors

We consent to the reference to our firm under the caption "Experts" in the
Registration Statement (Form S-4) of Amgen Inc. and related Joint Proxy
Statement/Prospectus of Amgen Inc. and Immunex Corporation for the registration
of common stock of Amgen Inc. and to the incorporation by reference therein of
our report dated January 23, 2001, except for note 13 as to which the date is
March 6, 2001, with respect to the consolidated financial statements and
schedule of Immunex Corporation included in its Annual Report (Form 10-K) for
the year ended December 31, 2000, filed with the Securities and Exchange
Commission.

                                            /s/ ERNST & YOUNG LLP

Seattle, Washington
January 29, 2002