6396811 has 4 divisors (see below), whose sum is σ = 6773112. Its totient is φ = 6020512.

The previous prime is 6396799. The next prime is 6396827. The reversal of 6396811 is 1186936.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6396811 - 2⁷ = 6396683 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (6396851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188125 + ... + 188158.

It is an arithmetic number, because the mean of its divisors is an integer number (1693278).

Almost surely, 2^6396811 is an apocalyptic number.

6396811 is a deficient number, since it is larger than the sum of its proper divisors (376301).

6396811 is a wasteful number, since it uses less digits than its factorization.

6396811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376300.

The product of its digits is 7776, while the sum is 34.

The square root of 6396811 is about 2529.1917681346. The cubic root of 6396811 is about 185.6327106654.

The spelling of 6396811 in words is "six million, three hundred ninety-six thousand, eight hundred eleven".