328646680 has 32 divisors (see below), whose sum is σ = 740870640. Its totient is φ = 131207040.

The previous prime is 328646671. The next prime is 328646699. The reversal of 328646680 is 86646823.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14047 + ... + 29233.

Almost surely, 2^328646680 is an apocalyptic number.

It is an amenable number.

328646680 is an abundant number, since it is smaller than the sum of its proper divisors (412223960).

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

328646680 is a wasteful number, since it uses less digits than its factorization.

328646680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15739 (or 15735 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The square root of 328646680 is about 18128.6149498521. The cubic root of 328646680 is about 690.0963808516.

The spelling of 328646680 in words is "three hundred twenty-eight million, six hundred forty-six thousand, six hundred eighty".