2871215 has 12 divisors (see below), whose sum is σ = 3661896. Its totient is φ = 2160768.

The previous prime is 2871199. The next prime is 2871221. The reversal of 2871215 is 5121782.

It is not a de Polignac number, because 2871215 - 2⁴ = 2871199 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 452 + ... + 2438.

It is an arithmetic number, because the mean of its divisors is an integer number (305158).

2^2871215 is an apocalyptic number.

2871215 is a deficient number, since it is larger than the sum of its proper divisors (790681).

2871215 is a wasteful number, since it uses less digits than its factorization.

2871215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026 (or 2009 counting only the distinct ones).

The product of its digits is 1120, while the sum is 26.

The square root of 2871215 is about 1694.4659925770. The cubic root of 2871215 is about 142.1309213771.

Adding to 2871215 its reverse (5121782), we get a palindrome (7992997).

The spelling of 2871215 in words is "two million, eight hundred seventy-one thousand, two hundred fifteen".