844961 has 4 divisors (see below), whose sum is σ = 909972. Its totient is φ = 779952.

The previous prime is 844957. The next prime is 844999. The reversal of 844961 is 169448.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 112225 + 732736 = 335^2 + 856^2 .

It is a cyclic number.

It is not a de Polignac number, because 844961 - 2² = 844957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (844061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32486 + ... + 32511.

It is an arithmetic number, because the mean of its divisors is an integer number (227493).

2⁸⁴⁴⁹⁶¹ is an apocalyptic number.

It is an amenable number.

844961 is a deficient number, since it is larger than the sum of its proper divisors (65011).

844961 is a wasteful number, since it uses less digits than its factorization.

844961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65010.

The product of its digits is 6912, while the sum is 32.

The square root of 844961 is about 919.2176020943. The cubic root of 844961 is about 94.5392649648.

The spelling of 844961 in words is "eight hundred forty-four thousand, nine hundred sixty-one".