90374858 has 32 divisors (see below), whose sum is σ = 162984960. Its totient is φ = 36766080.

The previous prime is 90374857. The next prime is 90374891. The reversal of 90374858 is 85847309.

It is a super-2 number, since 2×90374858² = 16335229917040328, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (90374857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21038 + ... + 24966.

It is an arithmetic number, because the mean of its divisors is an integer number (5093280).

Almost surely, 2^90374858 is an apocalyptic number.

90374858 is a deficient number, since it is larger than the sum of its proper divisors (72610102).

90374858 is a wasteful number, since it uses less digits than its factorization.

90374858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4022.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 90374858 is about 9506.5692023989. The cubic root of 90374858 is about 448.7617944723.

The spelling of 90374858 in words is "ninety million, three hundred seventy-four thousand, eight hundred fifty-eight".