328974425 has 12 divisors (see below), whose sum is σ = 439307820. Its totient is φ = 242934720.

The previous prime is 328974353. The next prime is 328974487. The reversal of 328974425 is 524479823.

It can be written as a sum of positive squares in 6 ways, for example, as 108659776 + 220314649 = 10424^2 + 14843^2 .

It is not a de Polignac number, because 328974425 - 2¹² = 328970329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 505790 + ... + 506439.

It is an arithmetic number, because the mean of its divisors is an integer number (36608985).

Almost surely, 2^328974425 is an apocalyptic number.

It is an amenable number.

328974425 is a deficient number, since it is larger than the sum of its proper divisors (110333395).

328974425 is a wasteful number, since it uses less digits than its factorization.

328974425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012252 (or 1012247 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 328974425 is about 18137.6521358196. The cubic root of 328974425 is about 690.3257056439.

The spelling of 328974425 in words is "three hundred twenty-eight million, nine hundred seventy-four thousand, four hundred twenty-five".