320479 has 8 divisors (see below), whose sum is σ = 340560. Its totient is φ = 301056.

The previous prime is 320477. The next prime is 320483. The reversal of 320479 is 974023.

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 320479 - 2¹ = 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 (320471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1119 + ... + 1375.

It is an arithmetic number, because the mean of its divisors is an integer number (42570).

2³²⁰⁴⁷⁹ is an apocalyptic number.

320479 is a deficient number, since it is larger than the sum of its proper divisors (20081).

320479 is a wasteful number, since it uses less digits than its factorization.

320479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329.

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

The square root of 320479 is about 566.1086468161. The cubic root of 320479 is about 68.4331491226.

It can be divided in two parts, 3204 and 79, that multiplied together give a triangular number (253116 = T₇₁₁).

The spelling of 320479 in words is "three hundred twenty thousand, four hundred seventy-nine".