444444 is nontrivially palindromic in base 10.
It is a nude number because it is divisible by every one of its digits.
444444 is a nontrivial repdigit in base 10.
It is a plaindrome in base 10.
It is a nialpdrome in base 10.
It is a zygodrome in base 10.
It is a congruent number.
2444444 is an apocalyptic number.
444444 is a gapful number since it is divisible by the number (44) 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 444444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (715008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
444444 is a wasteful number, since it uses less digits than its factorization.
444444 is an evil number, because the sum of its binary digits is even.
The square root of 444444 is about 666.6663333332. Note that the first 3 decimals coincide. The cubic root of 444444 is about 76.3142573988.
The spelling of 444444 in words is "four hundred forty-four thousand, four hundred forty-four", and thus it is an iban number.