Multipling 1887648 by its sum of digits (42), we get a square (79281216 = 89042).
1887648 divided by its sum of digits (42) gives a palindrome (44944).
It is a nude number because it is divisible by every one of its digits.
21887648 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 1887648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2885904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1887648 is an equidigital number, since it uses as much as digits as its factorization.
1887648 is an evil number, because the sum of its binary digits is even.
The square root of 1887648 is about 1373.9170280625. The cubic root of 1887648 is about 123.5872505989.
The spelling of 1887648 in words is "one million, eight hundred eighty-seven thousand, six hundred forty-eight".