844998 has 64 divisors (see below), whose sum is σ = 2211840. Its totient is φ = 208800.

The previous prime is 844957. The next prime is 844999. The reversal of 844998 is 899448.

844998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (844999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14293 + ... + 14351.

It is an arithmetic number, because the mean of its divisors is an integer number (34560).

2⁸⁴⁴⁹⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 844998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1105920).

844998 is an abundant number, since it is smaller than the sum of its proper divisors (1366842).

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

844998 is a wasteful number, since it uses less digits than its factorization.

844998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113.

The product of its digits is 82944, while the sum is 42.

The square root of 844998 is about 919.2377276853. The cubic root of 844998 is about 94.5406448714.

The spelling of 844998 in words is "eight hundred forty-four thousand, nine hundred ninety-eight".