2169189 has 12 divisors (see below), whose sum is σ = 3418272. Its totient is φ = 1314600.

The previous prime is 2169169. The next prime is 2169203. The reversal of 2169189 is 9819612.

It is not a de Polignac number, because 2169189 - 2⁵ = 2169157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2169109) 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, 10857 + ... + 11054.

It is an arithmetic number, because the mean of its divisors is an integer number (284856).

2^2169189 is an apocalyptic number.

It is an amenable number.

2169189 is a deficient number, since it is larger than the sum of its proper divisors (1249083).

2169189 is a wasteful number, since it uses less digits than its factorization.

2169189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21928 (or 21925 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 2169189 is about 1472.8166892047. The cubic root of 2169189 is about 129.4491285606.

The spelling of 2169189 in words is "two million, one hundred sixty-nine thousand, one hundred eighty-nine".