It is a happy number.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 303800.
303800 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2303800 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 303800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
303800 is a wasteful number, since it uses less digits than its factorization.
303800 is an evil number, because the sum of its binary digits is even.
The square root of 303800 is about 551.1805511808. The cubic root of 303800 is about 67.2247593950.
The spelling of 303800 in words is "three hundred three thousand, eight hundred".