2162871 has 6 divisors (see below), whose sum is σ = 3124160. Its totient is φ = 1441908.

The previous prime is 2162869. The next prime is 2162879. The reversal of 2162871 is 1782612.

It is not a de Polignac number, because 2162871 - 2¹ = 2162869 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 (2162879) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 120151 + ... + 120168.

2^2162871 is an apocalyptic number.

2162871 is a deficient number, since it is larger than the sum of its proper divisors (961289).

2162871 is a wasteful number, since it uses less digits than its factorization.

2162871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240325 (or 240322 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 2162871 is about 1470.6702553598. The cubic root of 2162871 is about 129.3233281014.

The spelling of 2162871 in words is "two million, one hundred sixty-two thousand, eight hundred seventy-one".