89712404 has 12 divisors (see below), whose sum is σ = 157362324. Its totient is φ = 44751744.

The previous prime is 89712379. The next prime is 89712431. The reversal of 89712404 is 40421798.

It can be written as a sum of positive squares in 2 ways, for example, as 13987600 + 75724804 = 3740^2 + 8702^2 .

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 3 ways as a sum of consecutive naturals, for example, 24167 + ... + 27630.

It is an arithmetic number, because the mean of its divisors is an integer number (13113527).

Almost surely, 2^89712404 is an apocalyptic number.

It is an amenable number.

89712404 is a deficient number, since it is larger than the sum of its proper divisors (67649920).

89712404 is a wasteful number, since it uses less digits than its factorization.

89712404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52234 (or 52232 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 89712404 is about 9471.6632119180. The cubic root of 89712404 is about 447.6626193410.

The spelling of 89712404 in words is "eighty-nine million, seven hundred twelve thousand, four hundred four".