89931472 has 20 divisors (see below), whose sum is σ = 181818720. Its totient is φ = 43010528.

The previous prime is 89931469. The next prime is 89931481. The reversal of 89931472 is 27413998.

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, 121822 + ... + 122557.

It is an arithmetic number, because the mean of its divisors is an integer number (9090936).

Almost surely, 2^89931472 is an apocalyptic number.

It is an amenable number.

89931472 is an abundant number, since it is smaller than the sum of its proper divisors (91887248).

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

89931472 is a wasteful number, since it uses less digits than its factorization.

89931472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244410 (or 244404 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 89931472 is about 9483.2205500030. The cubic root of 89931472 is about 448.0267044031.

The spelling of 89931472 in words is "eighty-nine million, nine hundred thirty-one thousand, four hundred seventy-two".