6856697 has 2 divisors, whose sum is σ = 6856698. Its totient is φ = 6856696.

The previous prime is 6856693. The next prime is 6856723. The reversal of 6856697 is 7966586.

6856697 is digitally balanced in base 3, 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., 5271616 + 1585081 = 2296^2 + 1259^2 .

It is a cyclic number.

It is not a de Polignac number, because 6856697 - 2² = 6856693 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6856693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3428348 + 3428349.

It is an arithmetic number, because the mean of its divisors is an integer number (3428349).

Almost surely, 2^6856697 is an apocalyptic number.

It is an amenable number.

6856697 is a deficient number, since it is larger than the sum of its proper divisors (1).

6856697 is an equidigital number, since it uses as much as digits as its factorization.

6856697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 47.

The square root of 6856697 is about 2618.5295491936. The cubic root of 6856697 is about 189.9787326149.

It can be divided in two parts, 68 and 56697, that added together give a palindrome (56765).

The spelling of 6856697 in words is "six million, eight hundred fifty-six thousand, six hundred ninety-seven".