It is a sphenic number, since it is the product of 3 distinct primes.
28252086 is an admirable number.
It is a congruent number.
It is an unprimeable number.
Almost surely, 228252086 is an apocalyptic number.
28252086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28252086 is a wasteful number, since it uses less digits than its factorization.
28252086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4708686.
The square root of 28252086 is about 5315.2691371181. The cubic root of 28252086 is about 304.5674635694.
The spelling of 28252086 in words is "twenty-eight million, two hundred fifty-two thousand, eighty-six".