9899167 has 2 divisors, whose sum is σ = 9899168. Its totient is φ = 9899166.

The previous prime is 9899147. The next prime is 9899173. The reversal of 9899167 is 7619989.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9899167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9899167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9899147) 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 as a sum of consecutive naturals, namely, 4949583 + 4949584.

It is an arithmetic number, because the mean of its divisors is an integer number (4949584).

Almost surely, 2^9899167 is an apocalyptic number.

9899167 is a deficient number, since it is larger than the sum of its proper divisors (1).

9899167 is an equidigital number, since it uses as much as digits as its factorization.

9899167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 49.

The square root of 9899167 is about 3146.2941693364. The cubic root of 9899167 is about 214.7168943697.

The spelling of 9899167 in words is "nine million, eight hundred ninety-nine thousand, one hundred sixty-seven".