328864810 has 32 divisors (see below), whose sum is σ = 626942592. Its totient is φ = 123942720.

The previous prime is 328864807. The next prime is 328864819. The reversal of 328864810 is 18468823.

It is a super-2 number, since 2×328864810² = 216304126512672200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (328864819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4740 + ... + 26080.

It is an arithmetic number, because the mean of its divisors is an integer number (19591956).

Almost surely, 2^328864810 is an apocalyptic number.

328864810 is a deficient number, since it is larger than the sum of its proper divisors (298077782).

328864810 is a wasteful number, since it uses less digits than its factorization.

328864810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21438.

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 328864810 is about 18134.6301313261. The cubic root of 328864810 is about 690.2490244467.

The spelling of 328864810 in words is "three hundred twenty-eight million, eight hundred sixty-four thousand, eight hundred ten".