It is a congruent number.
It is an unprimeable number.
219100 is an apocalyptic number.
19100 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 19100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19100 is a wasteful number, since it uses less digits than its factorization.
19100 is an odious number, because the sum of its binary digits is odd.
The square root of 19100 is about 138.2027496109. The cubic root of 19100 is about 26.7307486606.
The spelling of 19100 in words is "nineteen thousand, one hundred".