320499704 has 16 divisors (see below), whose sum is σ = 686785200. Its totient is φ = 137356992.

The previous prime is 320499703. The next prime is 320499709. The reversal of 320499704 is 407994023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320499703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2861549 + ... + 2861660.

It is an arithmetic number, because the mean of its divisors is an integer number (42924075).

Almost surely, 2^320499704 is an apocalyptic number.

It is an amenable number.

320499704 is an abundant number, since it is smaller than the sum of its proper divisors (366285496).

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

320499704 is a wasteful number, since it uses less digits than its factorization.

320499704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5723222 (or 5723218 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 320499704 is about 17902.5055229708. The cubic root of 320499704 is about 684.3462275985.

The spelling of 320499704 in words is "three hundred twenty million, four hundred ninety-nine thousand, seven hundred four".