90910604 has 6 divisors (see below), whose sum is σ = 159093564. Its totient is φ = 45455300.

The previous prime is 90910579. The next prime is 90910609. The reversal of 90910604 is 40601909.

It is not an unprimeable number, because it can be changed into a prime (90910609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11363822 + ... + 11363829.

It is an arithmetic number, because the mean of its divisors is an integer number (26515594).

Almost surely, 2^90910604 is an apocalyptic number.

It is an amenable number.

90910604 is a deficient number, since it is larger than the sum of its proper divisors (68182960).

90910604 is a wasteful number, since it uses less digits than its factorization.

90910604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22727655 (or 22727653 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 90910604 is about 9534.7052392824. The cubic root of 90910604 is about 449.6468076354.

The spelling of 90910604 in words is "ninety million, nine hundred ten thousand, six hundred four".