2870871 has 8 divisors (see below), whose sum is σ = 3880560. Its totient is φ = 1887552.

The previous prime is 2870863. The next prime is 2870893. The reversal of 2870871 is 1780782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2870871 - 2³ = 2870863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2870801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6336 + ... + 6773.

It is an arithmetic number, because the mean of its divisors is an integer number (485070).

2^2870871 is an apocalyptic number.

2870871 is a deficient number, since it is larger than the sum of its proper divisors (1009689).

2870871 is a wasteful number, since it uses less digits than its factorization.

2870871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13185.

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 2870871 is about 1694.3644826306. The cubic root of 2870871 is about 142.1252449196.

It can be divided in two parts, 2870 and 871, that added together give a triangular number (3741 = T₈₆).

The spelling of 2870871 in words is "two million, eight hundred seventy thousand, eight hundred seventy-one".