89730864 has 60 divisors (see below), whose sum is σ = 259235392. Its totient is φ = 28944000.

The previous prime is 89730857. The next prime is 89730869. The reversal of 89730864 is 46803798.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (89730869) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5587 + ... + 14514.

Almost surely, 2^89730864 is an apocalyptic number.

It is an amenable number.

89730864 is an abundant number, since it is smaller than the sum of its proper divisors (169504528).

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

89730864 is a wasteful number, since it uses less digits than its factorization.

89730864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20146 (or 20137 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 89730864 is about 9472.6376474560. The cubic root of 89730864 is about 447.6933222124.

The spelling of 89730864 in words is "eighty-nine million, seven hundred thirty thousand, eight hundred sixty-four".