It is a self number, because there is not a number n which added to its sum of digits gives 3998800.
It is a congruent number.
Almost surely, 23998800 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 3998800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5179790).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3998800 is a wasteful number, since it uses less digits than its factorization.
3998800 is an evil number, because the sum of its binary digits is even.
The square root of 3998800 is about 1999.6999774966. The cubic root of 3998800 is about 158.7242295986.
The spelling of 3998800 in words is "three million, nine hundred ninety-eight thousand, eight hundred".