328571328 has 56 divisors (see below), whose sum is σ = 871532928. Its totient is φ = 109248256.

The previous prime is 328571311. The next prime is 328571329. The reversal of 328571328 is 823175823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328571329) by changing a digit.

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, 83125 + ... + 86987.

It is an arithmetic number, because the mean of its divisors is an integer number (15563088).

Almost surely, 2^328571328 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 328571328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435766464).

328571328 is an abundant number, since it is smaller than the sum of its proper divisors (542961600).

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

328571328 is a wasteful number, since it uses less digits than its factorization.

328571328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4321 (or 4311 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 328571328 is about 18126.5365693505. The cubic root of 328571328 is about 690.0436351317.

The spelling of 328571328 in words is "three hundred twenty-eight million, five hundred seventy-one thousand, three hundred twenty-eight".