327997280 has 96 divisors (see below), whose sum is σ = 846635328. Its totient is φ = 119347200.

The previous prime is 327997261. The next prime is 327997289. The reversal of 327997280 is 82799723.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327997289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146570 + ... + 148790.

It is an arithmetic number, because the mean of its divisors is an integer number (8819118).

Almost surely, 2^327997280 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 327997280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423317664).

327997280 is an abundant number, since it is smaller than the sum of its proper divisors (518638048).

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

327997280 is a wasteful number, since it uses less digits than its factorization.

327997280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320 (or 2312 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 327997280 is about 18110.6951826814. The cubic root of 327997280 is about 689.6415417398.

The spelling of 327997280 in words is "three hundred twenty-seven million, nine hundred ninety-seven thousand, two hundred eighty".