328586730 has 16 divisors (see below), whose sum is σ = 788608224. Its totient is φ = 87623120.

The previous prime is 328586723. The next prime is 328586749. The reversal of 328586730 is 37685823.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5476416 + ... + 5476475.

It is an arithmetic number, because the mean of its divisors is an integer number (49288014).

Almost surely, 2^328586730 is an apocalyptic number.

328586730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

328586730 is an abundant number, since it is smaller than the sum of its proper divisors (460021494).

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

328586730 is a wasteful number, since it uses less digits than its factorization.

328586730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10952901.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 328586730 is about 18126.9614111136. The cubic root of 328586730 is about 690.0544170483.

The spelling of 328586730 in words is "three hundred twenty-eight million, five hundred eighty-six thousand, seven hundred thirty".