90310792 has 64 divisors (see below), whose sum is σ = 201398400. Its totient is φ = 37424640.

The previous prime is 90310789. The next prime is 90310849. The reversal of 90310792 is 29701309.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101373 + ... + 102259.

It is an arithmetic number, because the mean of its divisors is an integer number (3146850).

Almost surely, 2^90310792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90310792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100699200).

90310792 is an abundant number, since it is smaller than the sum of its proper divisors (111087608).

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

90310792 is a wasteful number, since it uses less digits than its factorization.

90310792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 90310792 is about 9503.1990403232. The cubic root of 90310792 is about 448.6557282127.

The spelling of 90310792 in words is "ninety million, three hundred ten thousand, seven hundred ninety-two".