90356568 has 32 divisors (see below), whose sum is σ = 233180160. Its totient is φ = 29147040.

The previous prime is 90356557. The next prime is 90356597. The reversal of 90356568 is 86565309.

It is a congruent number.

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, 59980 + ... + 61467.

It is an arithmetic number, because the mean of its divisors is an integer number (7286880).

Almost surely, 2^90356568 is an apocalyptic number.

It is an amenable number.

90356568 is an abundant number, since it is smaller than the sum of its proper divisors (142823592).

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

90356568 is a wasteful number, since it uses less digits than its factorization.

90356568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121487 (or 121483 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 90356568 is about 9505.6071873395. The cubic root of 90356568 is about 448.7315190647.

The spelling of 90356568 in words is "ninety million, three hundred fifty-six thousand, five hundred sixty-eight".