844396 has 24 divisors (see below), whose sum is σ = 1723680. Its totient is φ = 354432.

The previous prime is 844369. The next prime is 844421. The reversal of 844396 is 693448.

844396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 8 + 4⁷ + 3⁵ + 4⁷ + 9⁶ + 6⁷ .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1200 + ... + 1768.

It is an arithmetic number, because the mean of its divisors is an integer number (71820).

2⁸⁴⁴³⁹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 844396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (861840).

844396 is an abundant number, since it is smaller than the sum of its proper divisors (879284).

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

844396 is a wasteful number, since it uses less digits than its factorization.

844396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633 (or 631 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 844396 is about 918.9102241242. The cubic root of 844396 is about 94.5181884123.

The spelling of 844396 in words is "eight hundred forty-four thousand, three hundred ninety-six".