90388264 has 16 divisors (see below), whose sum is σ = 169578900. Its totient is φ = 45167232.

The previous prime is 90388253. The next prime is 90388307. The reversal of 90388264 is 46288309.

It can be written as a sum of positive squares in 2 ways, for example, as 89302500 + 1085764 = 9450^2 + 1042^2 .

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, 24322 + ... + 27790.

Almost surely, 2^90388264 is an apocalyptic number.

It is an amenable number.

90388264 is a deficient number, since it is larger than the sum of its proper divisors (79190636).

90388264 is a wasteful number, since it uses less digits than its factorization.

90388264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6732 (or 6728 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 90388264 is about 9507.2742676332. The cubic root of 90388264 is about 448.7839828084.

The spelling of 90388264 in words is "ninety million, three hundred eighty-eight thousand, two hundred sixty-four".