320359 has 8 divisors (see below), whose sum is σ = 363440. Its totient is φ = 279936.

The previous prime is 320339. The next prime is 320377. The reversal of 320359 is 953023.

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

It is a 7-Lehmer number, since φ(320359) divides (320359-1)⁷.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320359 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 (320329) 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, 402 + ... + 895.

It is an arithmetic number, because the mean of its divisors is an integer number (45430).

2³²⁰³⁵⁹ is an apocalyptic number.

320359 is a deficient number, since it is larger than the sum of its proper divisors (43081).

320359 is a wasteful number, since it uses less digits than its factorization.

320359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 320359 is about 566.0026501705. The cubic root of 320359 is about 68.4246066980.

The spelling of 320359 in words is "three hundred twenty thousand, three hundred fifty-nine".