9990932 has 12 divisors (see below), whose sum is σ = 19981920. Its totient is φ = 4281816.

The previous prime is 9990919. The next prime is 9990943. The reversal of 9990932 is 2390999.

9990932 is an admirable number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 9990932.

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, 178382 + ... + 178437.

It is an arithmetic number, because the mean of its divisors is an integer number (1665160).

Almost surely, 2^9990932 is an apocalyptic number.

It is an amenable number.

9990932 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9990932 is a wasteful number, since it uses less digits than its factorization.

9990932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356830 (or 356828 counting only the distinct ones).

The product of its (nonzero) digits is 39366, while the sum is 41.

The square root of 9990932 is about 3160.8435582926. The cubic root of 9990932 is about 215.3783279300.

The spelling of 9990932 in words is "nine million, nine hundred ninety thousand, nine hundred thirty-two".