328421516 has 12 divisors (see below), whose sum is σ = 575428560. Its totient is φ = 164013360.

The previous prime is 328421473. The next prime is 328421519. The reversal of 328421516 is 615124823.

It is not an unprimeable number, because it can be changed into a prime (328421519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45575 + ... + 52286.

It is an arithmetic number, because the mean of its divisors is an integer number (47952380).

Almost surely, 2^328421516 is an apocalyptic number.

It is an amenable number.

328421516 is a deficient number, since it is larger than the sum of its proper divisors (247007044).

328421516 is a wasteful number, since it uses less digits than its factorization.

328421516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98704 (or 98702 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 328421516 is about 18122.4037037033. The cubic root of 328421516 is about 689.9387441245.

The spelling of 328421516 in words is "three hundred twenty-eight million, four hundred twenty-one thousand, five hundred sixteen".