844842 has 16 divisors (see below), whose sum is σ = 1703520. Its totient is φ = 279312.

The previous prime is 844841. The next prime is 844847. The reversal of 844842 is 248448.

It is not an unprimeable number, because it can be changed into a prime (844841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328 + ... + 1340.

It is an arithmetic number, because the mean of its divisors is an integer number (106470).

2⁸⁴⁴⁸⁴² is an apocalyptic number.

844842 is an abundant number, since it is smaller than the sum of its proper divisors (858678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

844842 is a wasteful number, since it uses less digits than its factorization.

844842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157.

The product of its digits is 8192, while the sum is 30.

The square root of 844842 is about 919.1528708545. The cubic root of 844842 is about 94.5348266138.

It can be divided in two parts, 8 and 44842, that added together give a triangular number (44850 = T₂₉₉).

The spelling of 844842 in words is "eight hundred forty-four thousand, eight hundred forty-two".