90565444 has 12 divisors (see below), whose sum is σ = 165380544. Its totient is φ = 43313864.

The previous prime is 90565417. The next prime is 90565451. The reversal of 90565444 is 44456509.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492112 + ... + 492295.

It is an arithmetic number, because the mean of its divisors is an integer number (13781712).

Almost surely, 2^90565444 is an apocalyptic number.

It is an amenable number.

90565444 is a deficient number, since it is larger than the sum of its proper divisors (74815100).

90565444 is a wasteful number, since it uses less digits than its factorization.

90565444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984434 (or 984432 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 90565444 is about 9516.5878338825. The cubic root of 90565444 is about 449.0770283998.

The spelling of 90565444 in words is "ninety million, five hundred sixty-five thousand, four hundred forty-four".