2868189 has 8 divisors (see below), whose sum is σ = 4049280. Its totient is φ = 1799616.

The previous prime is 2868181. The next prime is 2868191. The reversal of 2868189 is 9818682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2868189 - 2³ = 2868181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2868189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2868181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28069 + ... + 28170.

It is an arithmetic number, because the mean of its divisors is an integer number (506160).

2^2868189 is an apocalyptic number.

It is an amenable number.

2868189 is a deficient number, since it is larger than the sum of its proper divisors (1181091).

2868189 is a wasteful number, since it uses less digits than its factorization.

2868189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56259.

The product of its digits is 55296, while the sum is 42.

The square root of 2868189 is about 1693.5728505146. The cubic root of 2868189 is about 142.0809727957.

The spelling of 2868189 in words is "two million, eight hundred sixty-eight thousand, one hundred eighty-nine".