8707986 has 60 divisors (see below), whose sum is σ = 22718718. Its totient is φ = 2485728.

The previous prime is 8707969. The next prime is 8707997. The reversal of 8707986 is 6897078.

8707986 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8037225 + 670761 = 2835^2 + 819^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 7390 + ... + 8486.

Almost surely, 2^8707986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8707986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11359359).

8707986 is an abundant number, since it is smaller than the sum of its proper divisors (14010732).

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

8707986 is a wasteful number, since it uses less digits than its factorization.

8707986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125 (or 1109 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 8707986 is about 2950.9296840149. The cubic root of 8707986 is about 205.7339229766.

The spelling of 8707986 in words is "eight million, seven hundred seven thousand, nine hundred eighty-six".