320974 has 12 divisors (see below), whose sum is σ = 500472. Its totient is φ = 154380.

The previous prime is 320953. The next prime is 321007. The reversal of 320974 is 479023.

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 5 ways as a sum of consecutive naturals, for example, 1839 + ... + 2005.

It is an arithmetic number, because the mean of its divisors is an integer number (41706).

2³²⁰⁹⁷⁴ is an apocalyptic number.

320974 is a deficient number, since it is larger than the sum of its proper divisors (179498).

320974 is a wasteful number, since it uses less digits than its factorization.

320974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 320974 is about 566.5456733574. The cubic root of 320974 is about 68.4683641012.

Adding to 320974 its reverse (479023), we get a palindrome (799997).

The spelling of 320974 in words is "three hundred twenty thousand, nine hundred seventy-four".