It is an Ulam number.
It is a nialpdrome in base 16.
2889920 is an apocalyptic number.
889920 is a gapful number since it is divisible by the number (80) 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 889920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1584960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
889920 is a wasteful number, since it uses less digits than its factorization.
889920 is an odious number, because the sum of its binary digits is odd.
The square root of 889920 is about 943.3557123376. The cubic root of 889920 is about 96.1871349765.
The spelling of 889920 in words is "eight hundred eighty-nine thousand, nine hundred twenty".