328858684 has 48 divisors (see below), whose sum is σ = 729711360. Its totient is φ = 125948160.

The previous prime is 328858681. The next prime is 328858697. The reversal of 328858684 is 486858823.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328858681) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9124 + ... + 27220.

It is an arithmetic number, because the mean of its divisors is an integer number (15202320).

Almost surely, 2^328858684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328858684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364855680).

328858684 is an abundant number, since it is smaller than the sum of its proper divisors (400852676).

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

328858684 is a wasteful number, since it uses less digits than its factorization.

328858684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18178 (or 18176 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 52.

The square root of 328858684 is about 18134.4612271774. The cubic root of 328858684 is about 690.2447384994.

The spelling of 328858684 in words is "three hundred twenty-eight million, eight hundred fifty-eight thousand, six hundred eighty-four".