9146889 has 12 divisors (see below), whose sum is σ = 13429572. Its totient is φ = 5997600.

The previous prime is 9146873. The next prime is 9146897. The reversal of 9146889 is 9886419.

9146889 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1937664 + 7209225 = 1392^2 + 2685^2 .

It is not a de Polignac number, because 9146889 - 2⁴ = 9146873 is a prime.

9146889 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9146869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7782 + ... + 8879.

It is an arithmetic number, because the mean of its divisors is an integer number (1119131).

Almost surely, 2^9146889 is an apocalyptic number.

It is an amenable number.

9146889 is a deficient number, since it is larger than the sum of its proper divisors (4282683).

9146889 is a wasteful number, since it uses less digits than its factorization.

9146889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16728 (or 16725 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 9146889 is about 3024.3824162959. The cubic root of 9146889 is about 209.1339159917.

The spelling of 9146889 in words is "nine million, one hundred forty-six thousand, eight hundred eighty-nine".