289433264 has 20 divisors (see below), whose sum is σ = 561750504. Its totient is φ = 144465408.

The previous prime is 289433237. The next prime is 289433269. The reversal of 289433264 is 462334982.

It is a happy number.

It is a super-2 number, since 2×289433264² = 167543228619387392, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (289433269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6017 + ... + 24800.

Almost surely, 2^289433264 is an apocalyptic number.

It is an amenable number.

289433264 is a deficient number, since it is larger than the sum of its proper divisors (272317240).

289433264 is a wasteful number, since it uses less digits than its factorization.

289433264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31412 (or 31406 counting only the distinct ones).

The product of its digits is 248832, while the sum is 41.

The square root of 289433264 is about 17012.7382863547. The cubic root of 289433264 is about 661.4791313601.

The spelling of 289433264 in words is "two hundred eighty-nine million, four hundred thirty-three thousand, two hundred sixty-four".