320328908 has 6 divisors (see below), whose sum is σ = 560575596. Its totient is φ = 160164452.

The previous prime is 320328901. The next prime is 320328917. The reversal of 320328908 is 809823023.

It is a super-2 number, since 2×320328908² = 205221218600944928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320328901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40041110 + ... + 40041117.

It is an arithmetic number, because the mean of its divisors is an integer number (93429266).

Almost surely, 2^320328908 is an apocalyptic number.

It is an amenable number.

320328908 is a deficient number, since it is larger than the sum of its proper divisors (240246688).

320328908 is a wasteful number, since it uses less digits than its factorization.

320328908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80082231 (or 80082229 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 320328908 is about 17897.7347169970. The cubic root of 320328908 is about 684.2246420810.

The spelling of 320328908 in words is "three hundred twenty million, three hundred twenty-eight thousand, nine hundred eight".