90459956 has 24 divisors (see below), whose sum is σ = 161703360. Its totient is φ = 44269632.

The previous prime is 90459937. The next prime is 90459973. The reversal of 90459956 is 65995409.

It is a self number, because there is not a number n which added to its sum of digits gives 90459956.

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 7 ways as a sum of consecutive naturals, for example, 35435 + ... + 37901.

It is an arithmetic number, because the mean of its divisors is an integer number (6737640).

Almost surely, 2^90459956 is an apocalyptic number.

It is an amenable number.

90459956 is a deficient number, since it is larger than the sum of its proper divisors (71243404).

90459956 is a wasteful number, since it uses less digits than its factorization.

90459956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663 (or 2661 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 47.

The square root of 90459956 is about 9511.0438964395. The cubic root of 90459956 is about 448.9026033653.

The spelling of 90459956 in words is "ninety million, four hundred fifty-nine thousand, nine hundred fifty-six".