328628608 has 64 divisors (see below), whose sum is σ = 816261120. Its totient is φ = 128033280.

The previous prime is 328628593. The next prime is 328628647. The reversal of 328628608 is 806826823.

328628608 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

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, 6816 + ... + 26527.

It is an arithmetic number, because the mean of its divisors is an integer number (12754080).

Almost surely, 2^328628608 is an apocalyptic number.

It is an amenable number.

328628608 is an abundant number, since it is smaller than the sum of its proper divisors (487632512).

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

328628608 is a wasteful number, since it uses less digits than its factorization.

328628608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33375 (or 33363 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 328628608 is about 18128.1165044800. The cubic root of 328628608 is about 690.0837313497.

The spelling of 328628608 in words is "three hundred twenty-eight million, six hundred twenty-eight thousand, six hundred eight".