6396937 has 2 divisors, whose sum is σ = 6396938. Its totient is φ = 6396936.

The previous prime is 6396911. The next prime is 6396953. The reversal of 6396937 is 7396936.

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., 5973136 + 423801 = 2444^2 + 651^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6396937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6396893 and 6396902.

It is not a weakly prime, because it can be changed into another prime (6396997) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3198468 + 3198469.

It is an arithmetic number, because the mean of its divisors is an integer number (3198469).

Almost surely, 2^6396937 is an apocalyptic number.

It is an amenable number.

6396937 is a deficient number, since it is larger than the sum of its proper divisors (1).

6396937 is an equidigital number, since it uses as much as digits as its factorization.

6396937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 183708, while the sum is 43.

The square root of 6396937 is about 2529.2166771552. The cubic root of 6396937 is about 185.6339294793.

Subtracting 6396937 from its reverse (7396936), we obtain a palindrome (999999).

The spelling of 6396937 in words is "six million, three hundred ninety-six thousand, nine hundred thirty-seven".