90001926 has 36 divisors (see below), whose sum is σ = 226843812. Its totient is φ = 25714584.

The previous prime is 90001909. The next prime is 90001931. The reversal of 90001926 is 62910009.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 90001926.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 50140 + ... + 51903.

It is an arithmetic number, because the mean of its divisors is an integer number (6301217).

Almost surely, 2^90001926 is an apocalyptic number.

90001926 is an abundant number, since it is smaller than the sum of its proper divisors (136841886).

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

90001926 is a wasteful number, since it uses less digits than its factorization.

90001926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102065 (or 102055 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 90001926 is about 9486.9344890750. The cubic root of 90001926 is about 448.1436713683.

The spelling of 90001926 in words is "ninety million, one thousand, nine hundred twenty-six".