It is a happy number.
It is a tau number, because it is divible by the number of its divisors (112).
It is a congruent number.
844480 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2844480 is an apocalyptic number.
844480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 844480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1280160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
844480 is a wasteful number, since it uses less digits than its factorization.
844480 is an evil number, because the sum of its binary digits is even.
The square root of 844480 is about 918.9559293024. The cubic root of 844480 is about 94.5213225123.
The spelling of 844480 in words is "eight hundred forty-four thousand, four hundred eighty".