289954664 has 16 divisors (see below), whose sum is σ = 544125120. Its totient is φ = 144854640.

The previous prime is 289954657. The next prime is 289954697. The reversal of 289954664 is 466459982.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4874 + ... + 24569.

It is an arithmetic number, because the mean of its divisors is an integer number (34007820).

Almost surely, 2^289954664 is an apocalyptic number.

It is an amenable number.

289954664 is a deficient number, since it is larger than the sum of its proper divisors (254170456).

289954664 is a wasteful number, since it uses less digits than its factorization.

289954664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30680 (or 30676 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 53.

The square root of 289954664 is about 17028.0552031053. The cubic root of 289954664 is about 661.8761006157.

The spelling of 289954664 in words is "two hundred eighty-nine million, nine hundred fifty-four thousand, six hundred sixty-four".