844897 has 2 divisors, whose sum is σ = 844898. Its totient is φ = 844896.

The previous prime is 844891. The next prime is 844903. The reversal of 844897 is 798448.

It is a balanced prime because it is at equal distance from previous prime (844891) and next prime (844903).

It can be written as a sum of positive squares in only one way, i.e., 495616 + 349281 = 704^2 + 591^2 .

It is a cyclic number.

It is not a de Polignac number, because 844897 - 2⁷ = 844769 is a prime.

It is not a weakly prime, because it can be changed into another prime (844891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422448 + 422449.

It is an arithmetic number, because the mean of its divisors is an integer number (422449).

2⁸⁴⁴⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

844897 is a deficient number, since it is larger than the sum of its proper divisors (1).

844897 is an equidigital number, since it uses as much as digits as its factorization.

844897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 40.

The square root of 844897 is about 919.1827892209. The cubic root of 844897 is about 94.5368780043.

The spelling of 844897 in words is "eight hundred forty-four thousand, eight hundred ninety-seven".