90404708 has 24 divisors (see below), whose sum is σ = 170023392. Its totient is φ = 41906304.

The previous prime is 90404701. The next prime is 90404737. The reversal of 90404708 is 80740409.

It is a happy number.

It is a super-2 number, since 2×90404708² = 16346022457130528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90404701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5366 + ... + 14477.

It is an arithmetic number, because the mean of its divisors is an integer number (7084308).

Almost surely, 2^90404708 is an apocalyptic number.

It is an amenable number.

90404708 is a deficient number, since it is larger than the sum of its proper divisors (79618684).

90404708 is a wasteful number, since it uses less digits than its factorization.

90404708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19931 (or 19929 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 90404708 is about 9508.1390397911. The cubic root of 90404708 is about 448.8111963573.

The spelling of 90404708 in words is "ninety million, four hundred four thousand, seven hundred eight".