320983 has 4 divisors (see below), whose sum is σ = 345688. Its totient is φ = 296280.

The previous prime is 320953. The next prime is 321007. The reversal of 320983 is 389023.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320983 - 2⁹ = 320471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12333 + ... + 12358.

It is an arithmetic number, because the mean of its divisors is an integer number (86422).

2³²⁰⁹⁸³ is an apocalyptic number.

320983 is a deficient number, since it is larger than the sum of its proper divisors (24705).

320983 is a wasteful number, since it uses less digits than its factorization.

320983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24704.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 320983 is about 566.5536161741. The cubic root of 320983 is about 68.4690040383.

The spelling of 320983 in words is "three hundred twenty thousand, nine hundred eighty-three".