331889860 has 48 divisors (see below), whose sum is σ = 711075456. Its totient is φ = 130090752.

The previous prime is 331889851. The next prime is 331889881. The reversal of 331889860 is 68988133.

331889860 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×331889860² = 220301758341639200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331889860.

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 15 ways as a sum of consecutive naturals, for example, 311689 + ... + 312751.

It is an arithmetic number, because the mean of its divisors is an integer number (14814072).

Almost surely, 2^331889860 is an apocalyptic number.

It is an amenable number.

331889860 is an abundant number, since it is smaller than the sum of its proper divisors (379185596).

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

331889860 is a wasteful number, since it uses less digits than its factorization.

331889860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372 (or 1370 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 331889860 is about 18217.8445486836. The cubic root of 331889860 is about 692.3589776569.

The spelling of 331889860 in words is "three hundred thirty-one million, eight hundred eighty-nine thousand, eight hundred sixty".