90126904 has 32 divisors (see below), whose sum is σ = 193776480. Its totient is φ = 38496384.

The previous prime is 90126847. The next prime is 90126919. The reversal of 90126904 is 40962109.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15214 + ... + 20290.

It is an arithmetic number, because the mean of its divisors is an integer number (6055515).

Almost surely, 2^90126904 is an apocalyptic number.

It is an amenable number.

90126904 is an abundant number, since it is smaller than the sum of its proper divisors (103649576).

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

90126904 is a wasteful number, since it uses less digits than its factorization.

90126904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5407 (or 5403 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 90126904 is about 9493.5190524905. The cubic root of 90126904 is about 448.3510083949.

The spelling of 90126904 in words is "ninety million, one hundred twenty-six thousand, nine hundred four".