It is a tau number, because it is divible by the number of its divisors (128).
It is a congruent number.
It is an unprimeable number.
Almost surely, 228887936 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 28887936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47882880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28887936 is a wasteful number, since it uses less digits than its factorization.
28887936 is an odious number, because the sum of its binary digits is odd.
The square root of 28887936 is about 5374.7498546444. The cubic root of 28887936 is about 306.8354290601.
The spelling of 28887936 in words is "twenty-eight million, eight hundred eighty-seven thousand, nine hundred thirty-six".