90290562 has 16 divisors (see below), whose sum is σ = 180908640. Its totient is φ = 30042272.

The previous prime is 90290549. The next prime is 90290581. The reversal of 90290562 is 26509209.

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, 9987 + ... + 16742.

It is an arithmetic number, because the mean of its divisors is an integer number (11306790).

Almost surely, 2^90290562 is an apocalyptic number.

90290562 is an abundant number, since it is smaller than the sum of its proper divisors (90618078).

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

90290562 is a wasteful number, since it uses less digits than its factorization.

90290562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27297.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 90290562 is about 9502.1346022881. The cubic root of 90290562 is about 448.6222254497.

The spelling of 90290562 in words is "ninety million, two hundred ninety thousand, five hundred sixty-two".