844016 has 40 divisors (see below), whose sum is σ = 1807920. Its totient is φ = 379904.

The previous prime is 844013. The next prime is 844043. The reversal of 844016 is 610448.

It is a happy number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 843982 and 844000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (844013) 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, 7835 + ... + 7941.

It is an arithmetic number, because the mean of its divisors is an integer number (45198).

2⁸⁴⁴⁰¹⁶ 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 844016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (903960).

844016 is an abundant number, since it is smaller than the sum of its proper divisors (963904).

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

844016 is a wasteful number, since it uses less digits than its factorization.

844016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 844016 is about 918.7034341941. The cubic root of 844016 is about 94.5040077432.

The spelling of 844016 in words is "eight hundred forty-four thousand, sixteen".