89618904 has 48 divisors (see below), whose sum is σ = 243243000. Its totient is φ = 29808384.

The previous prime is 89618873. The next prime is 89618909. The reversal of 89618904 is 40981698.

It is a super-2 number, since 2×89618904² = 16063095908322432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 89618904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89618909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41647 + ... + 43745.

Almost surely, 2^89618904 is an apocalyptic number.

It is an amenable number.

89618904 is an abundant number, since it is smaller than the sum of its proper divisors (153624096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89618904 is a wasteful number, since it uses less digits than its factorization.

89618904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704 (or 2697 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 89618904 is about 9466.7261500479. The cubic root of 89618904 is about 447.5070444050.

The spelling of 89618904 in words is "eighty-nine million, six hundred eighteen thousand, nine hundred four".