328571768 has 64 divisors (see below), whose sum is σ = 718018560. Its totient is φ = 138059136.

The previous prime is 328571753. The next prime is 328571777. The reversal of 328571768 is 867175823.

It is a happy number.

It is a super-3 number, since 3×328571768³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1036346 + ... + 1036662.

It is an arithmetic number, because the mean of its divisors is an integer number (11219040).

Almost surely, 2^328571768 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 328571768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359009280).

328571768 is an abundant number, since it is smaller than the sum of its proper divisors (389446792).

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

328571768 is a wasteful number, since it uses less digits than its factorization.

328571768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 632 counting only the distinct ones).

The product of its digits is 564480, while the sum is 47.

The square root of 328571768 is about 18126.5487062485. The cubic root of 328571768 is about 690.0439431511.

The spelling of 328571768 in words is "three hundred twenty-eight million, five hundred seventy-one thousand, seven hundred sixty-eight".