2889143 has 4 divisors (see below), whose sum is σ = 2936568. Its totient is φ = 2841720.

The previous prime is 2889119. The next prime is 2889149. The reversal of 2889143 is 3419882.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3419882 = 2 ⋅1709941.

It is a cyclic number.

It is not a de Polignac number, because 2889143 - 2⁶ = 2889079 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 (2889149) 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, 23621 + ... + 23742.

It is an arithmetic number, because the mean of its divisors is an integer number (734142).

2^2889143 is an apocalyptic number.

2889143 is a deficient number, since it is larger than the sum of its proper divisors (47425).

2889143 is an equidigital number, since it uses as much as digits as its factorization.

2889143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47424.

The product of its digits is 13824, while the sum is 35.

The square root of 2889143 is about 1699.7479224873. The cubic root of 2889143 is about 142.4261318190.

The spelling of 2889143 in words is "two million, eight hundred eighty-nine thousand, one hundred forty-three".