It is a self number, because there is not a number n which added to its sum of digits gives 38841940.
It is a congruent number.
Almost surely, 238841940 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 38841940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45069696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38841940 is a wasteful number, since it uses less digits than its factorization.
38841940 is an odious number, because the sum of its binary digits is odd.
The square root of 38841940 is about 6232.3302223165. The cubic root of 38841940 is about 338.6623916180.
The spelling of 38841940 in words is "thirty-eight million, eight hundred forty-one thousand, nine hundred forty".