6863897 has 2 divisors, whose sum is σ = 6863898. Its totient is φ = 6863896.

The previous prime is 6863893. The next prime is 6863939. The reversal of 6863897 is 7983686.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6046681 + 817216 = 2459^2 + 904^2 .

It is a cyclic number.

It is not a de Polignac number, because 6863897 - 2² = 6863893 is a prime.

It is a super-2 number, since 2×6863897² = 94226164053218, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6863891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3431948 + 3431949.

It is an arithmetic number, because the mean of its divisors is an integer number (3431949).

Almost surely, 2^6863897 is an apocalyptic number.

It is an amenable number.

6863897 is a deficient number, since it is larger than the sum of its proper divisors (1).

6863897 is an equidigital number, since it uses as much as digits as its factorization.

6863897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 47.

The square root of 6863897 is about 2619.9040058750. The cubic root of 6863897 is about 190.0452062332.

The spelling of 6863897 in words is "six million, eight hundred sixty-three thousand, eight hundred ninety-seven".