328342864 has 10 divisors (see below), whose sum is σ = 636164330. Its totient is φ = 164171424.

The previous prime is 328342849. The next prime is 328342867. The reversal of 328342864 is 468243823.

It can be written as a sum of positive squares in only one way, i.e., 328334400 + 8464 = 18120^2 + 92^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328342867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10260699 + ... + 10260730.

It is an arithmetic number, because the mean of its divisors is an integer number (63616433).

Almost surely, 2^328342864 is an apocalyptic number.

It is an amenable number.

328342864 is a deficient number, since it is larger than the sum of its proper divisors (307821466).

328342864 is a wasteful number, since it uses less digits than its factorization.

328342864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20521437 (or 20521431 counting only the distinct ones).

The product of its digits is 221184, while the sum is 40.

The square root of 328342864 is about 18120.2335525787. The cubic root of 328342864 is about 689.8836630859.

The spelling of 328342864 in words is "three hundred twenty-eight million, three hundred forty-two thousand, eight hundred sixty-four".