328975636 has 72 divisors (see below), whose sum is σ = 684516672. Its totient is φ = 137088000.

The previous prime is 328975631. The next prime is 328975637. The reversal of 328975636 is 636579823.

It is a happy number.

328975636 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 328975636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328975631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 521041 + ... + 521671.

It is an arithmetic number, because the mean of its divisors is an integer number (9507176).

Almost surely, 2^328975636 is an apocalyptic number.

It is an amenable number.

328975636 is an abundant number, since it is smaller than the sum of its proper divisors (355541036).

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

328975636 is a wasteful number, since it uses less digits than its factorization.

328975636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 702 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 49.

The square root of 328975636 is about 18137.6855193820. The cubic root of 328975636 is about 690.3265527041.

The spelling of 328975636 in words is "three hundred twenty-eight million, nine hundred seventy-five thousand, six hundred thirty-six".