328815384 has 32 divisors (see below), whose sum is σ = 839531520. Its totient is φ = 107272736.

The previous prime is 328815379. The next prime is 328815407. The reversal of 328815384 is 483518823.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144624 + ... + 146879.

It is an arithmetic number, because the mean of its divisors is an integer number (26235360).

Almost surely, 2^328815384 is an apocalyptic number.

It is an amenable number.

328815384 is an abundant number, since it is smaller than the sum of its proper divisors (510716136).

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

328815384 is a wasteful number, since it uses less digits than its factorization.

328815384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291559 (or 291555 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 328815384 is about 18133.2673283112. The cubic root of 328815384 is about 690.2144429039.

The spelling of 328815384 in words is "three hundred twenty-eight million, eight hundred fifteen thousand, three hundred eighty-four".