8869986 has 24 divisors (see below), whose sum is σ = 19931184. Its totient is φ = 2956500.

The previous prime is 8869957. The next prime is 8870003. The reversal of 8869986 is 6899688.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8640 + ... + 9611.

It is an arithmetic number, because the mean of its divisors is an integer number (830466).

Almost surely, 2^8869986 is an apocalyptic number.

8869986 is an abundant number, since it is smaller than the sum of its proper divisors (11061198).

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

8869986 is a wasteful number, since it uses less digits than its factorization.

8869986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18268 (or 18256 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 8869986 is about 2978.2521719962. The cubic root of 8869986 is about 207.0018903419.

The spelling of 8869986 in words is "eight million, eight hundred sixty-nine thousand, nine hundred eighty-six".