It is a congruent number.
22104432 is an apocalyptic number.
2104432 is a gapful number since it is divisible by the number (22) 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 2104432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2242912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2104432 is a wasteful number, since it uses less digits than its factorization.
2104432 is an odious number, because the sum of its binary digits is odd.
The square root of 2104432 is about 1450.6660539214. Note that the first 3 decimals coincide. The cubic root of 2104432 is about 128.1479409249.
Adding to 2104432 its reverse (2344012), we get a palindrome (4448444).
The spelling of 2104432 in words is "two million, one hundred four thousand, four hundred thirty-two".