90316812 has 24 divisors (see below), whose sum is σ = 212402176. Its totient is φ = 29868048.

The previous prime is 90316789. The next prime is 90316847. The reversal of 90316812 is 21861309.

It is a self number, because there is not a number n which added to its sum of digits gives 90316812.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28108 + ... + 31155.

Almost surely, 2^90316812 is an apocalyptic number.

It is an amenable number.

90316812 is an abundant number, since it is smaller than the sum of its proper divisors (122085364).

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

90316812 is a wasteful number, since it uses less digits than its factorization.

90316812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59397 (or 59395 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 90316812 is about 9503.5157704925. The cubic root of 90316812 is about 448.6656969271.

The spelling of 90316812 in words is "ninety million, three hundred sixteen thousand, eight hundred twelve".