90374894 has 16 divisors (see below), whose sum is σ = 137699520. Its totient is φ = 44478720.

The previous prime is 90374891. The next prime is 90374899. The reversal of 90374894 is 49847309.

It is a super-2 number, since 2×90374894² = 16335242931022472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90374891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67754 + ... + 69074.

It is an arithmetic number, because the mean of its divisors is an integer number (8606220).

Almost surely, 2^90374894 is an apocalyptic number.

90374894 is a deficient number, since it is larger than the sum of its proper divisors (47324626).

90374894 is a wasteful number, since it uses less digits than its factorization.

90374894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 90374894 is about 9506.5710958263. The cubic root of 90374894 is about 448.7618540590.

It can be divided in two parts, 9037 and 4894, that added together give a palindrome (13931).

The spelling of 90374894 in words is "ninety million, three hundred seventy-four thousand, eight hundred ninety-four".