6816844 has 6 divisors (see below), whose sum is σ = 11929484. Its totient is φ = 3408420.

The previous prime is 6816841. The next prime is 6816851. The reversal of 6816844 is 4486186.

It is not an unprimeable number, because it can be changed into a prime (6816841) by changing a digit.

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 as a sum of consecutive naturals, namely, 852102 + ... + 852109.

Almost surely, 2^6816844 is an apocalyptic number.

It is an amenable number.

6816844 is a deficient number, since it is larger than the sum of its proper divisors (5112640).

6816844 is a wasteful number, since it uses less digits than its factorization.

6816844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704215 (or 1704213 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 6816844 is about 2610.9086540896. The cubic root of 6816844 is about 189.6099477295.

The spelling of 6816844 in words is "six million, eight hundred sixteen thousand, eight hundred forty-four".