320383 has 8 divisors (see below), whose sum is σ = 376352. Its totient is φ = 266976.

The previous prime is 320377. The next prime is 320387. The reversal of 320383 is 383023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320383 - 2¹⁷ = 189311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320383.

It is a congruent number.

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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360 + ... + 877.

It is an arithmetic number, because the mean of its divisors is an integer number (47044).

2³²⁰³⁸³ is an apocalyptic number.

320383 is a deficient number, since it is larger than the sum of its proper divisors (55969).

320383 is a wasteful number, since it uses less digits than its factorization.

320383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 320383 is about 566.0238510876. The cubic root of 320383 is about 68.4263153535.

It can be divided in two parts, 32038 and 3, that added together give a square (32041 = 179²).

The spelling of 320383 in words is "three hundred twenty thousand, three hundred eighty-three".