844242 has 16 divisors (see below), whose sum is σ = 1929792. Its totient is φ = 241200.

The previous prime is 844201. The next prime is 844243. The reversal of 844242 is 242448.

844242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

844242 is a modest number, since divided by 4242 gives 84 as remainder.

It is not an unprimeable number, because it can be changed into a prime (844243) by changing a digit.

844242 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10009 + ... + 10092.

It is an arithmetic number, because the mean of its divisors is an integer number (120612).

2⁸⁴⁴²⁴² is an apocalyptic number.

844242 is an abundant number, since it is smaller than the sum of its proper divisors (1085550).

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

844242 is a wasteful number, since it uses less digits than its factorization.

844242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20113.

The product of its digits is 2048, while the sum is 24.

The square root of 844242 is about 918.8264253927. The cubic root of 844242 is about 94.5124420224.

The spelling of 844242 in words is "eight hundred forty-four thousand, two hundred forty-two".