6798391 has 2 divisors, whose sum is σ = 6798392. Its totient is φ = 6798390.

The previous prime is 6798377. The next prime is 6798397. The reversal of 6798391 is 1938976.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6798391 - 2⁵ = 6798359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6798397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3399195 + 3399196.

It is an arithmetic number, because the mean of its divisors is an integer number (3399196).

Almost surely, 2^6798391 is an apocalyptic number.

6798391 is a deficient number, since it is larger than the sum of its proper divisors (1).

6798391 is an equidigital number, since it uses as much as digits as its factorization.

6798391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 43.

The square root of 6798391 is about 2607.3724321623. The cubic root of 6798391 is about 189.4387035664.

The spelling of 6798391 in words is "six million, seven hundred ninety-eight thousand, three hundred ninety-one".