328704250 has 48 divisors (see below), whose sum is σ = 715823784. Its totient is φ = 112694400.

The previous prime is 328704223. The next prime is 328704289. The reversal of 328704250 is 52407823.

It can be written as a sum of positive squares in 4 ways, for example, as 34821801 + 293882449 = 5901^2 + 17143^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1167 + ... + 25666.

Almost surely, 2^328704250 is an apocalyptic number.

328704250 is an abundant number, since it is smaller than the sum of its proper divisors (387119534).

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

328704250 is a wasteful number, since it uses less digits than its factorization.

328704250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26864 (or 26847 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 328704250 is about 18130.2027015696. The cubic root of 328704250 is about 690.1366738993.

The spelling of 328704250 in words is "three hundred twenty-eight million, seven hundred four thousand, two hundred fifty".