9868867 has 2 divisors, whose sum is σ = 9868868. Its totient is φ = 9868866.

The previous prime is 9868853. The next prime is 9868889. The reversal of 9868867 is 7688689.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9868867 - 2¹¹ = 9866819 is a prime.

It is not a weakly prime, because it can be changed into another prime (9868897) by changing a digit.

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 as a sum of consecutive naturals, namely, 4934433 + 4934434.

It is an arithmetic number, because the mean of its divisors is an integer number (4934434).

Almost surely, 2^9868867 is an apocalyptic number.

9868867 is a deficient number, since it is larger than the sum of its proper divisors (1).

9868867 is an equidigital number, since it uses as much as digits as its factorization.

9868867 is an odious number, because the sum of its binary digits is odd.

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

The square root of 9868867 is about 3141.4752903692. The cubic root of 9868867 is about 214.4975974287.

The spelling of 9868867 in words is "nine million, eight hundred sixty-eight thousand, eight hundred sixty-seven".