2871189 has 24 divisors (see below), whose sum is σ = 4402944. Its totient is φ = 1800000.

The previous prime is 2871173. The next prime is 2871191. The reversal of 2871189 is 9811782.

It is not a de Polignac number, because 2871189 - 2⁴ = 2871173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2871119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11314 + ... + 11564.

It is an arithmetic number, because the mean of its divisors is an integer number (183456).

2^2871189 is an apocalyptic number.

It is an amenable number.

2871189 is a deficient number, since it is larger than the sum of its proper divisors (1531755).

2871189 is a wasteful number, since it uses less digits than its factorization.

2871189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 326 counting only the distinct ones).

The product of its digits is 8064, while the sum is 36.

The square root of 2871189 is about 1694.4583205261. The cubic root of 2871189 is about 142.1304923583.

It can be divided in two parts, 28 and 71189, that added together give a palindrome (71217).

The spelling of 2871189 in words is "two million, eight hundred seventy-one thousand, one hundred eighty-nine".