89931522 has 16 divisors (see below), whose sum is σ = 189329760. Its totient is φ = 28399392.

The previous prime is 89931509. The next prime is 89931551. The reversal of 89931522 is 22513998.

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, 394323 + ... + 394550.

It is an arithmetic number, because the mean of its divisors is an integer number (11833110).

Almost surely, 2^89931522 is an apocalyptic number.

89931522 is an abundant number, since it is smaller than the sum of its proper divisors (99398238).

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

89931522 is a wasteful number, since it uses less digits than its factorization.

89931522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788897.

The product of its digits is 38880, while the sum is 39.

The square root of 89931522 is about 9483.2231862379. The cubic root of 89931522 is about 448.0267874342.

The spelling of 89931522 in words is "eighty-nine million, nine hundred thirty-one thousand, five hundred twenty-two".