89856312 has 64 divisors (see below), whose sum is σ = 276487680. Its totient is φ = 23697792.

The previous prime is 89856311. The next prime is 89856323. The reversal of 89856312 is 21365898.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89856311) 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 15 ways as a sum of consecutive naturals, for example, 18388 + ... + 22755.

It is an arithmetic number, because the mean of its divisors is an integer number (4320120).

Almost surely, 2^89856312 is an apocalyptic number.

It is an amenable number.

89856312 is an abundant number, since it is smaller than the sum of its proper divisors (186631368).

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

89856312 is a wasteful number, since it uses less digits than its factorization.

89856312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41172 (or 41168 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 89856312 is about 9479.2569329035. The cubic root of 89856312 is about 447.9018572218.

The spelling of 89856312 in words is "eighty-nine million, eight hundred fifty-six thousand, three hundred twelve".