Subtracting from 17444 its sum of digits (20), we obtain a square (17424 = 1322).
It is a nude number because it is divisible by every one of its digits.
It is a nialpdrome in base 14.
217444 is an apocalyptic number.
17444 is a gapful number since it is divisible by the number (14) 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 17444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17955).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
17444 is a wasteful number, since it uses less digits than its factorization.
17444 is an evil number, because the sum of its binary digits is even.
The square root of 17444 is about 132.0757358488. The cubic root of 17444 is about 25.9347476152.
The spelling of 17444 in words is "seventeen thousand, four hundred forty-four", and thus it is an iban number.