2871439 has 2 divisors, whose sum is σ = 2871440. Its totient is φ = 2871438.

The previous prime is 2871433. The next prime is 2871457. The reversal of 2871439 is 9341782.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2871439 - 2¹⁹ = 2347151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2871433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1435719 + 1435720.

It is an arithmetic number, because the mean of its divisors is an integer number (1435720).

2^2871439 is an apocalyptic number.

2871439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2871439 is an equidigital number, since it uses as much as digits as its factorization.

2871439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 2871439 is about 1694.5320888080. The cubic root of 2871439 is about 142.1346174313.

The spelling of 2871439 in words is "two million, eight hundred seventy-one thousand, four hundred thirty-nine".