89931964 has 12 divisors (see below), whose sum is σ = 158069800. Its totient is φ = 44769168.

The previous prime is 89931943. The next prime is 89931973. The reversal of 89931964 is 46913998.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48174 + ... + 50005.

Almost surely, 2^89931964 is an apocalyptic number.

It is an amenable number.

89931964 is a deficient number, since it is larger than the sum of its proper divisors (68137836).

89931964 is a wasteful number, since it uses less digits than its factorization.

89931964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98412 (or 98410 counting only the distinct ones).

The product of its digits is 419904, while the sum is 49.

The square root of 89931964 is about 9483.2464905221. The cubic root of 89931964 is about 448.0275214279.

The spelling of 89931964 in words is "eighty-nine million, nine hundred thirty-one thousand, nine hundred sixty-four".