90084424 has 16 divisors (see below), whose sum is σ = 169844220. Its totient is φ = 44792640.

The previous prime is 90084413. The next prime is 90084427. The reversal of 90084424 is 42448009.

It can be written as a sum of positive squares in 2 ways, for example, as 58522500 + 31561924 = 7650^2 + 5618^2 .

It is not an unprimeable number, because it can be changed into a prime (90084427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29659 + ... + 32554.

Almost surely, 2^90084424 is an apocalyptic number.

It is an amenable number.

90084424 is a deficient number, since it is larger than the sum of its proper divisors (79759796).

90084424 is a wasteful number, since it uses less digits than its factorization.

90084424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62400 (or 62396 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 90084424 is about 9491.2814730151. The cubic root of 90084424 is about 448.2805560915.

The spelling of 90084424 in words is "ninety million, eighty-four thousand, four hundred twenty-four".