90360812 has 12 divisors (see below), whose sum is σ = 158224920. Its totient is φ = 45153696.

The previous prime is 90360799. The next prime is 90360817. The reversal of 90360812 is 21806309.

It is not an unprimeable number, because it can be changed into a prime (90360817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2264 + ... + 13632.

It is an arithmetic number, because the mean of its divisors is an integer number (13185410).

Almost surely, 2^90360812 is an apocalyptic number.

It is an amenable number.

90360812 is a deficient number, since it is larger than the sum of its proper divisors (67864108).

90360812 is a wasteful number, since it uses less digits than its factorization.

90360812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13360 (or 13358 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 90360812 is about 9505.8304213782. The cubic root of 90360812 is about 448.7385445151.

The spelling of 90360812 in words is "ninety million, three hundred sixty thousand, eight hundred twelve".