It is a happy number.
It is a plaindrome in base 16.
It is a congruent number.
It is an unprimeable number.
287928 is an apocalyptic number.
87928 is the 159-th centered heptagonal number.
It is an amenable number.
87928 is a wasteful number, since it uses less digits than its factorization.
87928 is an evil number, because the sum of its binary digits is even.
The square root of 87928 is about 296.5265586756. The cubic root of 87928 is about 44.4674677010.
Subtracting from 87928 its reverse (82978), we obtain a triangular number (4950 = T99).
The spelling of 87928 in words is "eighty-seven thousand, nine hundred twenty-eight".