990696192 has 36 divisors (see below), whose sum is σ = 2636698680. Its totient is φ = 330231808.

The previous prime is 990696167. The next prime is 990696197. The reversal of 990696192 is 291696099.

It is not an unprimeable number, because it can be changed into a prime (990696197) 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, 644217 + ... + 645752.

It is an arithmetic number, because the mean of its divisors is an integer number (73241630).

Almost surely, 2^990696192 is an apocalyptic number.

It is an amenable number.

990696192 is an abundant number, since it is smaller than the sum of its proper divisors (1646002488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

990696192 is a wasteful number, since it uses less digits than its factorization.

990696192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289988 (or 1289974 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 51.

The square root of 990696192 is about 31475.3267179230. The cubic root of 990696192 is about 996.8890627720.

The spelling of 990696192 in words is "nine hundred ninety million, six hundred ninety-six thousand, one hundred ninety-two".