320493 has 8 divisors (see below), whose sum is σ = 436608. Its totient is φ = 209024.

The previous prime is 320483. The next prime is 320513. The reversal of 320493 is 394023.

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 320493 - 2⁴ = 320477 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 996 + ... + 1277.

It is an arithmetic number, because the mean of its divisors is an integer number (54576).

2³²⁰⁴⁹³ is an apocalyptic number.

It is an amenable number.

320493 is a deficient number, since it is larger than the sum of its proper divisors (116115).

320493 is a wasteful number, since it uses less digits than its factorization.

320493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 320493 is about 566.1210117987. The cubic root of 320493 is about 68.4341455999.

The spelling of 320493 in words is "three hundred twenty thousand, four hundred ninety-three".