8701866 has 24 divisors (see below), whose sum is σ = 19674720. Its totient is φ = 2774376.

The previous prime is 8701853. The next prime is 8701871. The reversal of 8701866 is 6681078.

It is a self number, because there is not a number n which added to its sum of digits gives 8701866.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10096 + ... + 10923.

It is an arithmetic number, because the mean of its divisors is an integer number (819780).

Almost surely, 2^8701866 is an apocalyptic number.

8701866 is an abundant number, since it is smaller than the sum of its proper divisors (10972854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8701866 is a wasteful number, since it uses less digits than its factorization.

8701866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21050 (or 21047 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 8701866 is about 2949.8925404157. The cubic root of 8701866 is about 205.6857148648.

The spelling of 8701866 in words is "eight million, seven hundred one thousand, eight hundred sixty-six".