327989020 has 48 divisors (see below), whose sum is σ = 728985600. Its totient is φ = 123612480.

The previous prime is 327989017. The next prime is 327989029. The reversal of 327989020 is 20989723.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327989029) 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, 70321 + ... + 74839.

It is an arithmetic number, because the mean of its divisors is an integer number (15187200).

Almost surely, 2^327989020 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 327989020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364492800).

327989020 is an abundant number, since it is smaller than the sum of its proper divisors (400996580).

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

327989020 is a wasteful number, since it uses less digits than its factorization.

327989020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4738 (or 4736 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 327989020 is about 18110.4671391988. The cubic root of 327989020 is about 689.6357525790.

The spelling of 327989020 in words is "three hundred twenty-seven million, nine hundred eighty-nine thousand, twenty".