328974388 has 6 divisors (see below), whose sum is σ = 575705186. Its totient is φ = 164487192.

The previous prime is 328974353. The next prime is 328974487. The reversal of 328974388 is 883479823.

328974388 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 272844324 + 56130064 = 16518^2 + 7492^2 .

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 as a sum of consecutive naturals, namely, 41121795 + ... + 41121802.

Almost surely, 2^328974388 is an apocalyptic number.

It is an amenable number.

328974388 is a deficient number, since it is larger than the sum of its proper divisors (246730798).

328974388 is a wasteful number, since it uses less digits than its factorization.

328974388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82243601 (or 82243599 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The square root of 328974388 is about 18137.6511158419. The cubic root of 328974388 is about 690.3256797634.

It can be divided in two parts, 3289 and 74388, that added together give a palindrome (77677).

The spelling of 328974388 in words is "three hundred twenty-eight million, nine hundred seventy-four thousand, three hundred eighty-eight".