89908904 has 16 divisors (see below), whose sum is σ = 169084500. Its totient is φ = 44819712.

The previous prime is 89908901. The next prime is 89908919. The reversal of 89908904 is 40980998.

It can be written as a sum of positive squares in 2 ways, for example, as 86676100 + 3232804 = 9310^2 + 1798^2 .

It is a super-2 number, since 2×89908904² = 16167222036962432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89908901) 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, 13979 + ... + 19370.

Almost surely, 2^89908904 is an apocalyptic number.

It is an amenable number.

89908904 is a deficient number, since it is larger than the sum of its proper divisors (79175596).

89908904 is a wasteful number, since it uses less digits than its factorization.

89908904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33692 (or 33688 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 89908904 is about 9482.0305842156. The cubic root of 89908904 is about 447.9892243369.

The spelling of 89908904 in words is "eighty-nine million, nine hundred eight thousand, nine hundred four".