844974 has 48 divisors (see below), whose sum is σ = 2070432. Its totient is φ = 247104.

The previous prime is 844957. The next prime is 844999. The reversal of 844974 is 479448.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 844974.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 5304 + ... + 5460.

It is an arithmetic number, because the mean of its divisors is an integer number (43134).

2⁸⁴⁴⁹⁷⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 844974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1035216).

844974 is an abundant number, since it is smaller than the sum of its proper divisors (1225458).

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

844974 is a wasteful number, since it uses less digits than its factorization.

844974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 198 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 844974 is about 919.2246732981. The cubic root of 844974 is about 94.5397498015.

The spelling of 844974 in words is "eight hundred forty-four thousand, nine hundred seventy-four".