320683 has 4 divisors (see below), whose sum is σ = 349848. Its totient is φ = 291520.

The previous prime is 320669. The next prime is 320687. The reversal of 320683 is 386023.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320683 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320687) 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, 14566 + ... + 14587.

It is an arithmetic number, because the mean of its divisors is an integer number (87462).

2³²⁰⁶⁸³ is an apocalyptic number.

320683 is a deficient number, since it is larger than the sum of its proper divisors (29165).

320683 is a wasteful number, since it uses less digits than its factorization.

320683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29164.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 320683 is about 566.2887955805. The cubic root of 320683 is about 68.4476663518.

The spelling of 320683 in words is "three hundred twenty thousand, six hundred eighty-three".