9990592 has 28 divisors (see below), whose sum is σ = 20365720. Its totient is φ = 4859136.

The previous prime is 9990569. The next prime is 9990653. The reversal of 9990592 is 2950999.

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, 259 + ... + 4477.

Almost surely, 2^9990592 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9990592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10182860).

9990592 is an abundant number, since it is smaller than the sum of its proper divisors (10375128).

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

9990592 is a wasteful number, since it uses less digits than its factorization.

9990592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4268 (or 4258 counting only the distinct ones).

The product of its (nonzero) digits is 65610, while the sum is 43.

The square root of 9990592 is about 3160.7897747240. The cubic root of 9990592 is about 215.3758847324.

The spelling of 9990592 in words is "nine million, nine hundred ninety thousand, five hundred ninety-two".