6844369 has 6 divisors (see below), whose sum is σ = 7961874. Its totient is φ = 5866560.

The previous prime is 6844349. The next prime is 6844373. The reversal of 6844369 is 9634486.

It can be written as a sum of positive squares in only one way, i.e., 4558225 + 2286144 = 2135^2 + 1512^2 .

It is not a de Polignac number, because 6844369 - 2¹¹ = 6842321 is a prime.

It is a super-2 number, since 2×6844369² = 93690774016322, which contains 22 as substring.

It is a Duffinian number.

6844369 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6844309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69792 + ... + 69889.

It is an arithmetic number, because the mean of its divisors is an integer number (1326979).

Almost surely, 2^6844369 is an apocalyptic number.

It is an amenable number.

6844369 is a deficient number, since it is larger than the sum of its proper divisors (1117505).

6844369 is a wasteful number, since it uses less digits than its factorization.

6844369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139695 (or 139688 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 6844369 is about 2616.1744972383. The cubic root of 6844369 is about 189.8648068742.

The spelling of 6844369 in words is "six million, eight hundred forty-four thousand, three hundred sixty-nine".