320384 has 16 divisors (see below), whose sum is σ = 638520. Its totient is φ = 160128.

The previous prime is 320377. The next prime is 320387. The reversal of 320384 is 483023.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320384.

It is not an unprimeable number, because it can be changed into a prime (320387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1124 + ... + 1379.

2³²⁰³⁸⁴ is an apocalyptic number.

It is an amenable number.

320384 is a deficient number, since it is larger than the sum of its proper divisors (318136).

320384 is an equidigital number, since it uses as much as digits as its factorization.

320384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2517 (or 2505 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 320384 is about 566.0247344419. The cubic root of 320384 is about 68.4263865457.

The spelling of 320384 in words is "three hundred twenty thousand, three hundred eighty-four".