794639239 has 2 divisors, whose sum is σ = 794639240. Its totient is φ = 794639238.

The previous prime is 794639233. The next prime is 794639257. The reversal of 794639239 is 932936497.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 794639239 - 2²³ = 786250631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (794639233) 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 as a sum of consecutive naturals, namely, 397319619 + 397319620.

It is an arithmetic number, because the mean of its divisors is an integer number (397319620).

Almost surely, 2^794639239 is an apocalyptic number.

794639239 is a deficient number, since it is larger than the sum of its proper divisors (1).

794639239 is an equidigital number, since it uses as much as digits as its factorization.

794639239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2204496, while the sum is 52.

The square root of 794639239 is about 28189.3461967460. The cubic root of 794639239 is about 926.2395804790.

The spelling of 794639239 in words is "seven hundred ninety-four million, six hundred thirty-nine thousand, two hundred thirty-nine".