328378570 has 16 divisors (see below), whose sum is σ = 636549480. Its totient is φ = 121247424.

The previous prime is 328378549. The next prime is 328378607. The reversal of 328378570 is 75873823.

It can be written as a sum of positive squares in 4 ways, for example, as 249861249 + 78517321 = 15807^2 + 8861^2 .

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 7 ways as a sum of consecutive naturals, for example, 1262865 + ... + 1263124.

Almost surely, 2^328378570 is an apocalyptic number.

328378570 is a deficient number, since it is larger than the sum of its proper divisors (308170910).

328378570 is a wasteful number, since it uses less digits than its factorization.

328378570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526009.

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 328378570 is about 18121.2187779961. The cubic root of 328378570 is about 689.9086695613.

The spelling of 328378570 in words is "three hundred twenty-eight million, three hundred seventy-eight thousand, five hundred seventy".