328316380 has 24 divisors (see below), whose sum is σ = 787959648. Its totient is φ = 112565568.

The previous prime is 328316341. The next prime is 328316399. The reversal of 328316380 is 83613823.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1172419 + ... + 1172698.

It is an arithmetic number, because the mean of its divisors is an integer number (32831652).

Almost surely, 2^328316380 is an apocalyptic number.

It is an amenable number.

328316380 is an abundant number, since it is smaller than the sum of its proper divisors (459643268).

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

328316380 is a wasteful number, since it uses less digits than its factorization.

328316380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345133 (or 2345131 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 328316380 is about 18119.5027525592. The cubic root of 328316380 is about 689.8651140099.

The spelling of 328316380 in words is "three hundred twenty-eight million, three hundred sixteen thousand, three hundred eighty".