6839923 has 2 divisors, whose sum is σ = 6839924. Its totient is φ = 6839922.

The previous prime is 6839897. The next prime is 6839939. The reversal of 6839923 is 3299386.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6839923 - 2⁵ = 6839891 is a prime.

It is not a weakly prime, because it can be changed into another prime (6839983) 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, 3419961 + 3419962.

It is an arithmetic number, because the mean of its divisors is an integer number (3419962).

Almost surely, 2^6839923 is an apocalyptic number.

6839923 is a deficient number, since it is larger than the sum of its proper divisors (1).

6839923 is an equidigital number, since it uses as much as digits as its factorization.

6839923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 40.

The square root of 6839923 is about 2615.3246452401. The cubic root of 6839923 is about 189.8236868539.

The spelling of 6839923 in words is "six million, eight hundred thirty-nine thousand, nine hundred twenty-three".