328865800 has 48 divisors (see below), whose sum is σ = 790992900. Its totient is φ = 127008000.

The previous prime is 328865791. The next prime is 328865807. The reversal of 328865800 is 8568823.

It can be written as a sum of positive squares in 6 ways, for example, as 145588356 + 183277444 = 12066^2 + 13538^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (328865807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22551 + ... + 34150.

Almost surely, 2^328865800 is an apocalyptic number.

It is an amenable number.

328865800 is an abundant number, since it is smaller than the sum of its proper divisors (462127100).

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

328865800 is a wasteful number, since it uses less digits than its factorization.

328865800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56746 (or 56737 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 328865800 is about 18134.6574271476. The cubic root of 328865800 is about 690.2497170777.

The spelling of 328865800 in words is "three hundred twenty-eight million, eight hundred sixty-five thousand, eight hundred".