330971980 has 48 divisors (see below), whose sum is σ = 739186560. Its totient is φ = 124049408.

The previous prime is 330971941. The next prime is 330971981. The reversal of 330971980 is 89179033.

It is not an unprimeable number, because it can be changed into a prime (330971981) 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, 79224 + ... + 83296.

It is an arithmetic number, because the mean of its divisors is an integer number (15399720).

Almost surely, 2^330971980 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 330971980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369593280).

330971980 is an abundant number, since it is smaller than the sum of its proper divisors (408214580).

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

330971980 is a wasteful number, since it uses less digits than its factorization.

330971980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4338 (or 4336 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 330971980 is about 18192.6353231191. The cubic root of 330971980 is about 691.7201219311.

The spelling of 330971980 in words is "three hundred thirty million, nine hundred seventy-one thousand, nine hundred eighty".