9980992 has 28 divisors (see below), whose sum is σ = 22636480. Its totient is φ = 4277376.

The previous prime is 9980987. The next prime is 9981001. The reversal of 9980992 is 2990899.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10692 + ... + 11587.

Almost surely, 2^9980992 is an apocalyptic number.

It is an amenable number.

9980992 is an abundant number, since it is smaller than the sum of its proper divisors (12655488).

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

9980992 is a wasteful number, since it uses less digits than its factorization.

9980992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22298 (or 22288 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 46.

The square root of 9980992 is about 3159.2708019415. The cubic root of 9980992 is about 215.3068774402.

The spelling of 9980992 in words is "nine million, nine hundred eighty thousand, nine hundred ninety-two".