320006279 has 8 divisors (see below), whose sum is σ = 323539920. Its totient is φ = 316480000.

The previous prime is 320006243. The next prime is 320006333. The reversal of 320006279 is 972600023.

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 320006279 - 2²⁸ = 51570823 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 (320006179) 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, 160712 + ... + 162690.

It is an arithmetic number, because the mean of its divisors is an integer number (40442490).

Almost surely, 2^320006279 is an apocalyptic number.

320006279 is a deficient number, since it is larger than the sum of its proper divisors (3533641).

320006279 is a wasteful number, since it uses less digits than its factorization.

320006279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 320006279 is about 17888.7193225228. The cubic root of 320006279 is about 683.9948523660.

The spelling of 320006279 in words is "three hundred twenty million, six thousand, two hundred seventy-nine".