6855379 has 2 divisors, whose sum is σ = 6855380. Its totient is φ = 6855378.

The previous prime is 6855377. The next prime is 6855413. The reversal of 6855379 is 9735586.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6855379 - 2¹ = 6855377 is a prime.

Together with 6855377, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6855377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3427689 + 3427690.

It is an arithmetic number, because the mean of its divisors is an integer number (3427690).

Almost surely, 2^6855379 is an apocalyptic number.

6855379 is a deficient number, since it is larger than the sum of its proper divisors (1).

6855379 is an equidigital number, since it uses as much as digits as its factorization.

6855379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 43.

The square root of 6855379 is about 2618.2778691346. The cubic root of 6855379 is about 189.9665592116.

The spelling of 6855379 in words is "six million, eight hundred fifty-five thousand, three hundred seventy-nine".