6816344 has 16 divisors (see below), whose sum is σ = 12883200. Its totient is φ = 3380832.

The previous prime is 6816331. The next prime is 6816361. The reversal of 6816344 is 4436186.

It is a self number, because there is not a number n which added to its sum of digits gives 6816344.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2339 + ... + 4370.

It is an arithmetic number, because the mean of its divisors is an integer number (805200).

Almost surely, 2^6816344 is an apocalyptic number.

It is an amenable number.

6816344 is a deficient number, since it is larger than the sum of its proper divisors (6066856).

6816344 is a wasteful number, since it uses less digits than its factorization.

6816344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6842 (or 6838 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 6816344 is about 2610.8129002286. The cubic root of 6816344 is about 189.6053117967.

The spelling of 6816344 in words is "six million, eight hundred sixteen thousand, three hundred forty-four".