6809844 has 12 divisors (see below), whose sum is σ = 15889664. Its totient is φ = 2269944.

The previous prime is 6809837. The next prime is 6809849. The reversal of 6809844 is 4489086.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6809849) 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, 283732 + ... + 283755.

Almost surely, 2^6809844 is an apocalyptic number.

It is an amenable number.

6809844 is an abundant number, since it is smaller than the sum of its proper divisors (9079820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6809844 is a wasteful number, since it uses less digits than its factorization.

6809844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567494 (or 567492 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 6809844 is about 2609.5677803039. The cubic root of 6809844 is about 189.5450240295.

The spelling of 6809844 in words is "six million, eight hundred nine thousand, eight hundred forty-four".