844488 has 48 divisors (see below), whose sum is σ = 2356380. Its totient is φ = 273024.

The previous prime is 844483. The next prime is 844489. The reversal of 844488 is 884448.

It can be written as a sum of positive squares in 2 ways, for example, as 842724 + 1764 = 918^2 + 42^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (844483) by changing a digit.

844488 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2506 + ... + 2822.

2⁸⁴⁴⁴⁸⁸ 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 844488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1178190).

844488 is an abundant number, since it is smaller than the sum of its proper divisors (1511892).

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

844488 is a wasteful number, since it uses less digits than its factorization.

844488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 359 counting only the distinct ones).

The product of its digits is 32768, while the sum is 36.

The square root of 844488 is about 918.9602820579. The cubic root of 844488 is about 94.5216209872.

The spelling of 844488 in words is "eight hundred forty-four thousand, four hundred eighty-eight".