It is a happy number.
48420 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (36).
It is a nialpdrome in base 15.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 48420.
It is an unprimeable number.
248420 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 48420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73710).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48420 is a wasteful number, since it uses less digits than its factorization.
48420 is an evil number, because the sum of its binary digits is even.
The square root of 48420 is about 220.0454498507. The cubic root of 48420 is about 36.4481028892.
The spelling of 48420 in words is "forty-eight thousand, four hundred twenty".