6844249 has 2 divisors, whose sum is σ = 6844250. Its totient is φ = 6844248.

The previous prime is 6844231. The next prime is 6844289. The reversal of 6844249 is 9424486.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6734025 + 110224 = 2595^2 + 332^2 .

It is a cyclic number.

It is not a de Polignac number, because 6844249 - 2⁷ = 6844121 is a prime.

It is an Ulam number.

6844249 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6844289) 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 as a sum of consecutive naturals, namely, 3422124 + 3422125.

It is an arithmetic number, because the mean of its divisors is an integer number (3422125).

Almost surely, 2^6844249 is an apocalyptic number.

It is an amenable number.

6844249 is a deficient number, since it is larger than the sum of its proper divisors (1).

6844249 is an equidigital number, since it uses as much as digits as its factorization.

6844249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 37.

The square root of 6844249 is about 2616.1515628877. The cubic root of 6844249 is about 189.8636972560.

The spelling of 6844249 in words is "six million, eight hundred forty-four thousand, two hundred forty-nine".