It is an ABA number since it can be written as A⋅BA, here for A=2, B=640.
It is a nialpdrome in base 8 and base 16.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 819200.
It is an unprimeable number.
819200 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
819200 is a Friedman number, since it can be written as 800*2^(9+1), using all its digits and the basic arithmetic operations.
2819200 is an apocalyptic number.
819200 is a gapful number since it is divisible by the number (80) 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 819200
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
819200 is an frugal number, since it uses more digits than its factorization.
819200 is an odious number, because the sum of its binary digits is odd.
The square root of 819200 is about 905.0966799188. The cubic root of 819200 is about 93.5685676228.
The spelling of 819200 in words is "eight hundred nineteen thousand, two hundred".