328782064 has 30 divisors (see below), whose sum is σ = 689791416. Its totient is φ = 151744320.

The previous prime is 328782049. The next prime is 328782067. The reversal of 328782064 is 460287823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328782067) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 58092 + ... + 63499.

Almost surely, 2^328782064 is an apocalyptic number.

It is an amenable number.

328782064 is an abundant number, since it is smaller than the sum of its proper divisors (361009352).

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

328782064 is a wasteful number, since it uses less digits than its factorization.

328782064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121625 (or 121606 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 328782064 is about 18132.3485516907. The cubic root of 328782064 is about 690.1911281775.

The spelling of 328782064 in words is "three hundred twenty-eight million, seven hundred eighty-two thousand, sixty-four".