839793973 has 2 divisors, whose sum is σ = 839793974. Its totient is φ = 839793972.

The previous prime is 839793967. The next prime is 839794003. The reversal of 839793973 is 379397938.

839793973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 779917329 + 59876644 = 27927^2 + 7738^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-839793973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (839793173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419896986 + 419896987.

It is an arithmetic number, because the mean of its divisors is an integer number (419896987).

Almost surely, 2^839793973 is an apocalyptic number.

It is an amenable number.

839793973 is a deficient number, since it is larger than the sum of its proper divisors (1).

839793973 is an equidigital number, since it uses as much as digits as its factorization.

839793973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7715736, while the sum is 58.

The square root of 839793973 is about 28979.1989709861. The cubic root of 839793973 is about 943.4616490940.

The spelling of 839793973 in words is "eight hundred thirty-nine million, seven hundred ninety-three thousand, nine hundred seventy-three".