6844009 has 8 divisors (see below), whose sum is σ = 7372640. Its totient is φ = 6332256.

The previous prime is 6843997. The next prime is 6844027. The reversal of 6844009 is 9004486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6844009 - 2⁹ = 6843497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6844039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3372 + ... + 5005.

It is an arithmetic number, because the mean of its divisors is an integer number (921580).

Almost surely, 2^6844009 is an apocalyptic number.

It is an amenable number.

6844009 is a deficient number, since it is larger than the sum of its proper divisors (528631).

6844009 is a wasteful number, since it uses less digits than its factorization.

6844009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8439.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 6844009 is about 2616.1056935835. The cubic root of 6844009 is about 189.8614779806.

The spelling of 6844009 in words is "six million, eight hundred forty-four thousand, nine".