2868143 has 4 divisors (see below), whose sum is σ = 2934888. Its totient is φ = 2801400.

The previous prime is 2868139. The next prime is 2868149. The reversal of 2868143 is 3418682.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3418682 = 2 ⋅1709341.

It is a cyclic number.

It is not a de Polignac number, because 2868143 - 2² = 2868139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2868149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33308 + ... + 33393.

It is an arithmetic number, because the mean of its divisors is an integer number (733722).

2^2868143 is an apocalyptic number.

2868143 is a deficient number, since it is larger than the sum of its proper divisors (66745).

2868143 is an equidigital number, since it uses as much as digits as its factorization.

2868143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66744.

The product of its digits is 9216, while the sum is 32.

The square root of 2868143 is about 1693.5592697039. The cubic root of 2868143 is about 142.0802132271.

The spelling of 2868143 in words is "two million, eight hundred sixty-eight thousand, one hundred forty-three".