844261 has 16 divisors (see below), whose sum is σ = 995328. Its totient is φ = 708400.

The previous prime is 844253. The next prime is 844279. The reversal of 844261 is 162448.

It is not a de Polignac number, because 844261 - 2³ = 844253 is a prime.

It is a super-2 number, since 2×844261² = 1425553272242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (844201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11856 + ... + 11926.

It is an arithmetic number, because the mean of its divisors is an integer number (62208).

2⁸⁴⁴²⁶¹ is an apocalyptic number.

It is an amenable number.

844261 is a deficient number, since it is larger than the sum of its proper divisors (151067).

844261 is a wasteful number, since it uses less digits than its factorization.

844261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152.

The product of its digits is 1536, while the sum is 25.

The square root of 844261 is about 918.8367646106. The cubic root of 844261 is about 94.5131510304.

The spelling of 844261 in words is "eight hundred forty-four thousand, two hundred sixty-one".