320794539 has 16 divisors (see below), whose sum is σ = 487724832. Its totient is φ = 185799168.

The previous prime is 320794519. The next prime is 320794553. The reversal of 320794539 is 935497023.

It is not a de Polignac number, because 320794539 - 2⁸ = 320794283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320794539.

It is not an unprimeable number, because it can be changed into a prime (320794519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241264 + ... + 242589.

It is an arithmetic number, because the mean of its divisors is an integer number (30482802).

Almost surely, 2^320794539 is an apocalyptic number.

320794539 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

320794539 is a deficient number, since it is larger than the sum of its proper divisors (166930293).

320794539 is a wasteful number, since it uses less digits than its factorization.

320794539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483886.

The product of its (nonzero) digits is 204120, while the sum is 42.

The square root of 320794539 is about 17910.7380919939. The cubic root of 320794539 is about 684.5560118598.

The spelling of 320794539 in words is "three hundred twenty million, seven hundred ninety-four thousand, five hundred thirty-nine".