2871879 has 16 divisors (see below), whose sum is σ = 3951360. Its totient is φ = 1854720.

The previous prime is 2871877. The next prime is 2871881. The reversal of 2871879 is 9781782.

It is an interprime number because it is at equal distance from previous prime (2871877) and next prime (2871881).

It is not a de Polignac number, because 2871879 - 2¹ = 2871877 is a prime.

2871879 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2871879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2871877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20592 + ... + 20730.

It is an arithmetic number, because the mean of its divisors is an integer number (246960).

2^2871879 is an apocalyptic number.

2871879 is a deficient number, since it is larger than the sum of its proper divisors (1079481).

2871879 is a wasteful number, since it uses less digits than its factorization.

2871879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310.

The product of its digits is 56448, while the sum is 42.

The square root of 2871879 is about 1694.6619131850. The cubic root of 2871879 is about 142.1418769781.

Subtracting 2871879 from its reverse (9781782), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 2871879 in words is "two million, eight hundred seventy-one thousand, eight hundred seventy-nine".