328308707 has 4 divisors (see below), whose sum is σ = 329092680. Its totient is φ = 327524736.

The previous prime is 328308703. The next prime is 328308713. The reversal of 328308707 is 707803823.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 328308707 - 2² = 328308703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328308703) 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, 391358 + ... + 392195.

It is an arithmetic number, because the mean of its divisors is an integer number (82273170).

Almost surely, 2^328308707 is an apocalyptic number.

328308707 is a deficient number, since it is larger than the sum of its proper divisors (783973).

328308707 is an equidigital number, since it uses as much as digits as its factorization.

328308707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783972.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 328308707 is about 18119.2910181387. The cubic root of 328308707 is about 689.8597397464.

The spelling of 328308707 in words is "three hundred twenty-eight million, three hundred eight thousand, seven hundred seven".