90624788 has 12 divisors (see below), whose sum is σ = 158700192. Its totient is φ = 45281880.

The previous prime is 90624769. The next prime is 90624823. The reversal of 90624788 is 88742609.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128 + ... + 13463.

It is an arithmetic number, because the mean of its divisors is an integer number (13225016).

Almost surely, 2^90624788 is an apocalyptic number.

It is an amenable number.

90624788 is a deficient number, since it is larger than the sum of its proper divisors (68075404).

90624788 is a wasteful number, since it uses less digits than its factorization.

90624788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15262 (or 15260 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 90624788 is about 9519.7052475379. The cubic root of 90624788 is about 449.1750945319.

The spelling of 90624788 in words is "ninety million, six hundred twenty-four thousand, seven hundred eighty-eight".