9868986 has 32 divisors (see below), whose sum is σ = 22075200. Its totient is φ = 3268080.

The previous prime is 9868981. The next prime is 9869003. The reversal of 9868986 is 6898689.

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

9868986 is a strobogrammatic number because it is the same when read upside-down.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9868981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9156 + ... + 10176.

It is an arithmetic number, because the mean of its divisors is an integer number (689850).

Almost surely, 2^9868986 is an apocalyptic number.

9868986 is an abundant number, since it is smaller than the sum of its proper divisors (12206214).

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

9868986 is a wasteful number, since it uses less digits than its factorization.

9868986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211 (or 1205 counting only the distinct ones).

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

The square root of 9868986 is about 3141.4942304579. The cubic root of 9868986 is about 214.4984595713.

The spelling of 9868986 in words is "nine million, eight hundred sixty-eight thousand, nine hundred eighty-six".