89638904 has 16 divisors (see below), whose sum is σ = 169014600. Its totient is φ = 44568352.

The previous prime is 89638891. The next prime is 89638933. The reversal of 89638904 is 40983698.

It is a super-2 number, since 2×89638904² = 16070266220642432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29867 + ... + 32730.

Almost surely, 2^89638904 is an apocalyptic number.

It is an amenable number.

89638904 is a deficient number, since it is larger than the sum of its proper divisors (79375696).

89638904 is a wasteful number, since it uses less digits than its factorization.

89638904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62782 (or 62778 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 89638904 is about 9467.7824225106. The cubic root of 89638904 is about 447.5403315605.

The spelling of 89638904 in words is "eighty-nine million, six hundred thirty-eight thousand, nine hundred four".