990110902 has 8 divisors (see below), whose sum is σ = 1620181512. Its totient is φ = 450050400.

The previous prime is 990110887. The next prime is 990110941. The reversal of 990110902 is 209011099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 22502499 + ... + 22502542.

It is an arithmetic number, because the mean of its divisors is an integer number (202522689).

Almost surely, 2^990110902 is an apocalyptic number.

990110902 is a deficient number, since it is larger than the sum of its proper divisors (630070610).

990110902 is a wasteful number, since it uses less digits than its factorization.

990110902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45005054.

The product of its (nonzero) digits is 1458, while the sum is 31.

The square root of 990110902 is about 31466.0277442196. The cubic root of 990110902 is about 996.6927078774.

The spelling of 990110902 in words is "nine hundred ninety million, one hundred ten thousand, nine hundred two".