2387871 has 12 divisors (see below), whose sum is σ = 3652272. Its totient is φ = 1498176.

The previous prime is 2387867. The next prime is 2387873. The reversal of 2387871 is 1787832.

It is not a de Polignac number, because 2387871 - 2² = 2387867 is a prime.

2387871 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2387873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7651 + ... + 7956.

It is an arithmetic number, because the mean of its divisors is an integer number (304356).

2^2387871 is an apocalyptic number.

2387871 is a deficient number, since it is larger than the sum of its proper divisors (1264401).

2387871 is a wasteful number, since it uses less digits than its factorization.

2387871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15630 (or 15627 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 2387871 is about 1545.2737621535. The cubic root of 2387871 is about 133.6606658818.

The spelling of 2387871 in words is "two million, three hundred eighty-seven thousand, eight hundred seventy-one".