6864937 has 2 divisors, whose sum is σ = 6864938. Its totient is φ = 6864936.

The previous prime is 6864911. The next prime is 6864941. The reversal of 6864937 is 7394686.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6859161 + 5776 = 2619^2 + 76^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6864937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6864893 and 6864902.

It is not a weakly prime, because it can be changed into another prime (6864997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3432468 + 3432469.

It is an arithmetic number, because the mean of its divisors is an integer number (3432469).

Almost surely, 2^6864937 is an apocalyptic number.

It is an amenable number.

6864937 is a deficient number, since it is larger than the sum of its proper divisors (1).

6864937 is an equidigital number, since it uses as much as digits as its factorization.

6864937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The square root of 6864937 is about 2620.1024789118. The cubic root of 6864937 is about 190.0548041352.

It can be divided in two parts, 68649 and 37, that added together give a palindrome (68686).

The spelling of 6864937 in words is "six million, eight hundred sixty-four thousand, nine hundred thirty-seven".