9868687 has 8 divisors (see below), whose sum is σ = 10477296. Its totient is φ = 9263232.

The previous prime is 9868643. The next prime is 9868693. The reversal of 9868687 is 7868689.

9868687 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9868687 - 2⁷ = 9868559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9860687) 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 7 ways as a sum of consecutive naturals, for example, 9948 + ... + 10894.

It is an arithmetic number, because the mean of its divisors is an integer number (1309662).

Almost surely, 2^9868687 is an apocalyptic number.

9868687 is a deficient number, since it is larger than the sum of its proper divisors (608609).

9868687 is a wasteful number, since it uses less digits than its factorization.

9868687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577.

The product of its digits is 1161216, while the sum is 52.

The square root of 9868687 is about 3141.4466412785. The cubic root of 9868687 is about 214.4962933343.

The spelling of 9868687 in words is "nine million, eight hundred sixty-eight thousand, six hundred eighty-seven".