331409604 has 24 divisors (see below), whose sum is σ = 784832608. Its totient is φ = 108820800.

The previous prime is 331409579. The next prime is 331409633. The reversal of 331409604 is 406904133.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205297 + ... + 206904.

Almost surely, 2^331409604 is an apocalyptic number.

It is an amenable number.

331409604 is an abundant number, since it is smaller than the sum of its proper divisors (453423004).

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

331409604 is a wasteful number, since it uses less digits than its factorization.

331409604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412275 (or 412273 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 331409604 is about 18204.6588542604. The cubic root of 331409604 is about 692.0248607238.

The spelling of 331409604 in words is "three hundred thirty-one million, four hundred nine thousand, six hundred four".