331989274 has 16 divisors (see below), whose sum is σ = 515589120. Its totient is φ = 160135920.

The previous prime is 331989269. The next prime is 331989319. The reversal of 331989274 is 472989133.

It is a super-2 number, since 2×331989274² = 220433756102094152, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 122959 + ... + 125629.

It is an arithmetic number, because the mean of its divisors is an integer number (32224320).

Almost surely, 2^331989274 is an apocalyptic number.

331989274 is a deficient number, since it is larger than the sum of its proper divisors (183599846).

331989274 is a wasteful number, since it uses less digits than its factorization.

331989274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4845.

The product of its digits is 326592, while the sum is 46.

The square root of 331989274 is about 18220.5728230481. The cubic root of 331989274 is about 692.4281002910.

The spelling of 331989274 in words is "three hundred thirty-one million, nine hundred eighty-nine thousand, two hundred seventy-four".