320368384 has 144 divisors (see below), whose sum is σ = 774430720. Its totient is φ = 129392640.

The previous prime is 320368351. The next prime is 320368397. The reversal of 320368384 is 483863023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4055257 + ... + 4055335.

Almost surely, 2^320368384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320368384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387215360).

320368384 is an abundant number, since it is smaller than the sum of its proper divisors (454062336).

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

320368384 is an equidigital number, since it uses as much as digits as its factorization.

320368384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 320368384 is about 17898.8375041509. The cubic root of 320368384 is about 684.2527479246.

The spelling of 320368384 in words is "three hundred twenty million, three hundred sixty-eight thousand, three hundred eighty-four".