9112889 has 2 divisors, whose sum is σ = 9112890. Its totient is φ = 9112888.

The previous prime is 9112849. The next prime is 9112919. The reversal of 9112889 is 9882119.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7507600 + 1605289 = 2740^2 + 1267^2 .

It is a cyclic number.

It is not a de Polignac number, because 9112889 - 2²⁰ = 8064313 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9112849) 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, 4556444 + 4556445.

It is an arithmetic number, because the mean of its divisors is an integer number (4556445).

Almost surely, 2^9112889 is an apocalyptic number.

It is an amenable number.

9112889 is a deficient number, since it is larger than the sum of its proper divisors (1).

9112889 is an equidigital number, since it uses as much as digits as its factorization.

9112889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 38.

The square root of 9112889 is about 3018.7562008218. The cubic root of 9112889 is about 208.8744696152.

It can be divided in two parts, 9112 and 889, that added together give a palindrome (10001).

The spelling of 9112889 in words is "nine million, one hundred twelve thousand, eight hundred eighty-nine".