90795858 has 32 divisors (see below), whose sum is σ = 191794176. Its totient is φ = 28597008.

The previous prime is 90795857. The next prime is 90795863. The reversal of 90795858 is 85859709.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 90795858.

It is not an unprimeable number, because it can be changed into a prime (90795857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7491 + ... + 15417.

It is an arithmetic number, because the mean of its divisors is an integer number (5993568).

Almost surely, 2^90795858 is an apocalyptic number.

90795858 is an abundant number, since it is smaller than the sum of its proper divisors (100998318).

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

90795858 is a wasteful number, since it uses less digits than its factorization.

90795858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8038.

The product of its (nonzero) digits is 907200, while the sum is 51.

The square root of 90795858 is about 9528.6860584238. The cubic root of 90795858 is about 449.4575488357.

The spelling of 90795858 in words is "ninety million, seven hundred ninety-five thousand, eight hundred fifty-eight".