6804839 has 2 divisors, whose sum is σ = 6804840. Its totient is φ = 6804838.

The previous prime is 6804799. The next prime is 6804857. The reversal of 6804839 is 9384086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6804839 - 2⁸ = 6804583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6804859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3402419 + 3402420.

It is an arithmetic number, because the mean of its divisors is an integer number (3402420).

Almost surely, 2^6804839 is an apocalyptic number.

6804839 is a deficient number, since it is larger than the sum of its proper divisors (1).

6804839 is an equidigital number, since it uses as much as digits as its factorization.

6804839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 6804839 is about 2608.6086329689. The cubic root of 6804839 is about 189.4985763011.

The spelling of 6804839 in words is "six million, eight hundred four thousand, eight hundred thirty-nine".