844841 has 2 divisors, whose sum is σ = 844842. Its totient is φ = 844840.

The previous prime is 844777. The next prime is 844847. The reversal of 844841 is 148448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 802816 + 42025 = 896^2 + 205^2 .

It is a cyclic number.

It is not a de Polignac number, because 844841 - 2⁶ = 844777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (844847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422420 + 422421.

It is an arithmetic number, because the mean of its divisors is an integer number (422421).

2⁸⁴⁴⁸⁴¹ is an apocalyptic number.

It is an amenable number.

844841 is a deficient number, since it is larger than the sum of its proper divisors (1).

844841 is an equidigital number, since it uses as much as digits as its factorization.

844841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4096, while the sum is 29.

The square root of 844841 is about 919.1523268751. The cubic root of 844841 is about 94.5347893149.

The spelling of 844841 in words is "eight hundred forty-four thousand, eight hundred forty-one".