320694793 has 2 divisors, whose sum is σ = 320694794. Its totient is φ = 320694792.

The previous prime is 320694779. The next prime is 320694797. The reversal of 320694793 is 397496023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247968009 + 72726784 = 15747^2 + 8528^2 .

It is a cyclic number.

It is not a de Polignac number, because 320694793 - 2¹⁷ = 320563721 is a prime.

It is not a weakly prime, because it can be changed into another prime (320694797) 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 as a sum of consecutive naturals, namely, 160347396 + 160347397.

It is an arithmetic number, because the mean of its divisors is an integer number (160347397).

Almost surely, 2^320694793 is an apocalyptic number.

It is an amenable number.

320694793 is a deficient number, since it is larger than the sum of its proper divisors (1).

320694793 is an equidigital number, since it uses as much as digits as its factorization.

320694793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 43.

The square root of 320694793 is about 17907.9533448130. The cubic root of 320694793 is about 684.4850538748.

The spelling of 320694793 in words is "three hundred twenty million, six hundred ninety-four thousand, seven hundred ninety-three".