90435504 has 40 divisors (see below), whose sum is σ = 239328432. Its totient is φ = 29409280.

The previous prime is 90435503. The next prime is 90435547. The reversal of 90435504 is 40553409.

It is not an unprimeable number, because it can be changed into a prime (90435503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21009 + ... + 24944.

Almost surely, 2^90435504 is an apocalyptic number.

It is an amenable number.

90435504 is an abundant number, since it is smaller than the sum of its proper divisors (148892928).

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

90435504 is a wasteful number, since it uses less digits than its factorization.

90435504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46005 (or 45999 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 90435504 is about 9509.7583565514. The cubic root of 90435504 is about 448.8621524811.

The spelling of 90435504 in words is "ninety million, four hundred thirty-five thousand, five hundred four".