6396769 has 4 divisors (see below), whose sum is σ = 6403860. Its totient is φ = 6389680.

The previous prime is 6396751. The next prime is 6396773. The reversal of 6396769 is 9676936.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5230369 + 1166400 = 2287^2 + 1080^2 .

It is a cyclic number.

It is not a de Polignac number, because 6396769 - 2¹⁷ = 6265697 is a prime.

It is a super-2 number, since 2×6396769² = 81837307278722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6396799) 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 in 3 ways as a sum of consecutive naturals, for example, 1954 + ... + 4075.

It is an arithmetic number, because the mean of its divisors is an integer number (1600965).

Almost surely, 2^6396769 is an apocalyptic number.

It is an amenable number.

6396769 is a deficient number, since it is larger than the sum of its proper divisors (7091).

6396769 is a wasteful number, since it uses less digits than its factorization.

6396769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7090.

The product of its digits is 367416, while the sum is 46.

The square root of 6396769 is about 2529.1834650733. The cubic root of 6396769 is about 185.6323043905.

The spelling of 6396769 in words is "six million, three hundred ninety-six thousand, seven hundred sixty-nine".