90426504 has 128 divisors (see below), whose sum is σ = 270950400. Its totient is φ = 24606720.

The previous prime is 90426433. The next prime is 90426521. The reversal of 90426504 is 40562409.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 505087 + ... + 505265.

It is an arithmetic number, because the mean of its divisors is an integer number (2116800).

Almost surely, 2^90426504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90426504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135475200).

90426504 is an abundant number, since it is smaller than the sum of its proper divisors (180523896).

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

90426504 is a wasteful number, since it uses less digits than its factorization.

90426504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 90426504 is about 9509.2851466343. The cubic root of 90426504 is about 448.8472619672.

The spelling of 90426504 in words is "ninety million, four hundred twenty-six thousand, five hundred four".