It is a nialpdrome in base 10 and base 12.
It is a self number, because there is not a number n which added to its sum of digits gives 88440.
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 88440.
It is an unprimeable number.
288440 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 88440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88440 is a wasteful number, since it uses less digits than its factorization.
88440 is an odious number, because the sum of its binary digits is odd.
The square root of 88440 is about 297.3886346181. The cubic root of 88440 is about 44.5536112687.
The spelling of 88440 in words is "eighty-eight thousand, four hundred forty".