328253388 has 12 divisors (see below), whose sum is σ = 765924600. Its totient is φ = 109417792.

The previous prime is 328253369. The next prime is 328253411. The reversal of 328253388 is 883352823.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13677213 + ... + 13677236.

It is an arithmetic number, because the mean of its divisors is an integer number (63827050).

Almost surely, 2^328253388 is an apocalyptic number.

It is an amenable number.

328253388 is an abundant number, since it is smaller than the sum of its proper divisors (437671212).

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

328253388 is a wasteful number, since it uses less digits than its factorization.

328253388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27354456 (or 27354454 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 328253388 is about 18117.7644316290. The cubic root of 328253388 is about 689.8209911603.

The spelling of 328253388 in words is "three hundred twenty-eight million, two hundred fifty-three thousand, three hundred eighty-eight".