328457564 has 12 divisors (see below), whose sum is σ = 588168504. Its totient is φ = 160409424.

The previous prime is 328457539. The next prime is 328457609. The reversal of 328457564 is 465754823.

328457564 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 954647 + ... + 954990.

It is an arithmetic number, because the mean of its divisors is an integer number (49014042).

Almost surely, 2^328457564 is an apocalyptic number.

It is an amenable number.

328457564 is a deficient number, since it is larger than the sum of its proper divisors (259710940).

328457564 is a wasteful number, since it uses less digits than its factorization.

328457564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909684 (or 1909682 counting only the distinct ones).

The product of its digits is 806400, while the sum is 44.

The square root of 328457564 is about 18123.3982464658. The cubic root of 328457564 is about 689.9639860780.

The spelling of 328457564 in words is "three hundred twenty-eight million, four hundred fifty-seven thousand, five hundred sixty-four".