89964920 has 32 divisors (see below), whose sum is σ = 205448400. Its totient is φ = 35447808.

The previous prime is 89964913. The next prime is 89964961. The reversal of 89964920 is 2946998.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14105 + ... + 19464.

Almost surely, 2^89964920 is an apocalyptic number.

It is an amenable number.

89964920 is an abundant number, since it is smaller than the sum of its proper divisors (115483480).

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

89964920 is a wasteful number, since it uses less digits than its factorization.

89964920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33647 (or 33643 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 89964920 is about 9484.9839219685. The cubic root of 89964920 is about 448.0822420230.

The spelling of 89964920 in words is "eighty-nine million, nine hundred sixty-four thousand, nine hundred twenty".