331404980 has 24 divisors (see below), whose sum is σ = 696530688. Its totient is φ = 132451488.

The previous prime is 331404959. The next prime is 331404989. The reversal of 331404980 is 89404133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331404989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20297 + ... + 32783.

It is an arithmetic number, because the mean of its divisors is an integer number (29022112).

Almost surely, 2^331404980 is an apocalyptic number.

It is an amenable number.

331404980 is an abundant number, since it is smaller than the sum of its proper divisors (365125708).

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

331404980 is a wasteful number, since it uses less digits than its factorization.

331404980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13823 (or 13821 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 331404980 is about 18204.5318533600. The cubic root of 331404980 is about 692.0216422113.

The spelling of 331404980 in words is "three hundred thirty-one million, four hundred four thousand, nine hundred eighty".