30992924 has 12 divisors (see below), whose sum is σ = 54285504. Its totient is φ = 15482784.

The previous prime is 30992917. The next prime is 30992959. The reversal of 30992924 is 42929903.

It is a super-2 number, since 2×30992924² = 1921122676139552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3029 + ... + 8435.

It is an arithmetic number, because the mean of its divisors is an integer number (4523792).

Almost surely, 2^30992924 is an apocalyptic number.

It is an amenable number.

30992924 is a deficient number, since it is larger than the sum of its proper divisors (23292580).

30992924 is a wasteful number, since it uses less digits than its factorization.

30992924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6844 (or 6842 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 30992924 is about 5567.1288830060. The cubic root of 30992924 is about 314.1141619047.

The spelling of 30992924 in words is "thirty million, nine hundred ninety-two thousand, nine hundred twenty-four".