331928192 has 32 divisors (see below), whose sum is σ = 662529780. Its totient is φ = 165646336.

The previous prime is 331928183. The next prime is 331928243. The reversal of 331928192 is 291829133.

It can be written as a sum of positive squares in 2 ways, for example, as 328914496 + 3013696 = 18136^2 + 1736^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×331928192² = 220352649288777728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73718 + ... + 78090.

Almost surely, 2^331928192 is an apocalyptic number.

331928192 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

331928192 is a deficient number, since it is larger than the sum of its proper divisors (330601588).

331928192 is an equidigital number, since it uses as much as digits as its factorization.

331928192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4980 (or 4968 counting only the distinct ones).

The product of its digits is 23328, while the sum is 38.

The square root of 331928192 is about 18218.8965637329. The cubic root of 331928192 is about 692.3856315622.

The spelling of 331928192 in words is "three hundred thirty-one million, nine hundred twenty-eight thousand, one hundred ninety-two".