It is a tau number, because it is divible by the number of its divisors (240).
It is a congruent number.
It is an unprimeable number.
21814400 is an apocalyptic number.
1814400 is a gapful number since it is divisible by the number (10) 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 1814400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3826020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1814400 is an equidigital number, since it uses as much as digits as its factorization.
1814400 is an odious number, because the sum of its binary digits is odd.
The square root of 1814400 is about 1346.9966592386. The cubic root of 1814400 is about 121.9675628178.
Adding to 1814400 its reverse (44181), we get a palindrome (1858581).
The spelling of 1814400 in words is "one million, eight hundred fourteen thousand, four hundred".