328378578 has 32 divisors (see below), whose sum is σ = 718949952. Its totient is φ = 99163200.

The previous prime is 328378549. The next prime is 328378607. The reversal of 328378578 is 875873823.

It is an interprime number because it is at equal distance from previous prime (328378549) and next prime (328378607).

It is a self number, because there is not a number n which added to its sum of digits gives 328378578.

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 15 ways as a sum of consecutive naturals, for example, 10848 + ... + 27828.

It is an arithmetic number, because the mean of its divisors is an integer number (22467186).

Almost surely, 2^328378578 is an apocalyptic number.

328378578 is an abundant number, since it is smaller than the sum of its proper divisors (390571374).

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

328378578 is a wasteful number, since it uses less digits than its factorization.

328378578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17290.

The product of its digits is 2257920, while the sum is 51.

The square root of 328378578 is about 18121.2189987318. The cubic root of 328378578 is about 689.9086751638.

The spelling of 328378578 in words is "three hundred twenty-eight million, three hundred seventy-eight thousand, five hundred seventy-eight".