320006684 has 12 divisors (see below), whose sum is σ = 560353584. Its totient is φ = 159905664.

The previous prime is 320006647. The next prime is 320006693. The reversal of 320006684 is 486600023.

320006684 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16784 + ... + 30359.

It is an arithmetic number, because the mean of its divisors is an integer number (46696132).

Almost surely, 2^320006684 is an apocalyptic number.

It is an amenable number.

320006684 is a deficient number, since it is larger than the sum of its proper divisors (240346900).

320006684 is a wasteful number, since it uses less digits than its factorization.

320006684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48844 (or 48842 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 320006684 is about 17888.7306425023. The cubic root of 320006684 is about 683.9951409205.

The spelling of 320006684 in words is "three hundred twenty million, six thousand, six hundred eighty-four".