328439408 has 40 divisors (see below), whose sum is σ = 695352816. Its totient is φ = 149043200.

The previous prime is 328439393. The next prime is 328439411. The reversal of 328439408 is 804934823.

It is a happy number.

It is a congruent number.

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, 143360 + ... + 145632.

Almost surely, 2^328439408 is an apocalyptic number.

It is an amenable number.

328439408 is an abundant number, since it is smaller than the sum of its proper divisors (366913408).

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

328439408 is a wasteful number, since it uses less digits than its factorization.

328439408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113 (or 3107 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 328439408 is about 18122.8973401054. The cubic root of 328439408 is about 689.9512729015.

The spelling of 328439408 in words is "three hundred twenty-eight million, four hundred thirty-nine thousand, four hundred eight".