990576008 has 16 divisors (see below), whose sum is σ = 1861030080. Its totient is φ = 494301328.

The previous prime is 990575969. The next prime is 990576049. The reversal of 990576008 is 800675099.

It is a self number, because there is not a number n which added to its sum of digits gives 990576008.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119060 + ... + 127107.

It is an arithmetic number, because the mean of its divisors is an integer number (116314380).

Almost surely, 2^990576008 is an apocalyptic number.

It is an amenable number.

990576008 is a deficient number, since it is larger than the sum of its proper divisors (870454072).

990576008 is a wasteful number, since it uses less digits than its factorization.

990576008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246676 (or 246672 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 990576008 is about 31473.4174820594. The cubic root of 990576008 is about 996.8487493839.

The spelling of 990576008 in words is "nine hundred ninety million, five hundred seventy-six thousand, eight".