6844849 has 6 divisors (see below), whose sum is σ = 7523810. Its totient is φ = 6222480.

The previous prime is 6844843. The next prime is 6844853. The reversal of 6844849 is 9484486.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6796449 + 48400 = 2607^2 + 220^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6844849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6844843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28164 + ... + 28405.

Almost surely, 2^6844849 is an apocalyptic number.

It is an amenable number.

6844849 is a deficient number, since it is larger than the sum of its proper divisors (678961).

6844849 is a wasteful number, since it uses less digits than its factorization.

6844849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56591 (or 56580 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 6844849 is about 2616.2662326300. The cubic root of 6844849 is about 189.8692452175.

The spelling of 6844849 in words is "six million, eight hundred forty-four thousand, eight hundred forty-nine".