320485 has 8 divisors (see below), whose sum is σ = 419616. Its totient is φ = 233040.

The previous prime is 320483. The next prime is 320513. The reversal of 320485 is 584023.

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

It is not a de Polignac number, because 320485 - 2¹ = 320483 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 (320483) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2859 + ... + 2968.

It is an arithmetic number, because the mean of its divisors is an integer number (52452).

2³²⁰⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

320485 is a deficient number, since it is larger than the sum of its proper divisors (99131).

320485 is a wasteful number, since it uses less digits than its factorization.

320485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5843.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 320485 is about 566.1139461275. The cubic root of 320485 is about 68.4335761878.

The spelling of 320485 in words is "three hundred twenty thousand, four hundred eighty-five".