2871903 has 8 divisors (see below), whose sum is σ = 3932848. Its totient is φ = 1862784.

The previous prime is 2871901. The next prime is 2871917. The reversal of 2871903 is 3091782.

It is a happy number.

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

It is not a de Polignac number, because 2871903 - 2¹ = 2871901 is a prime.

It is a Duffinian number.

2871903 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2871901) 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, 12826 + ... + 13047.

It is an arithmetic number, because the mean of its divisors is an integer number (491606).

2^2871903 is an apocalyptic number.

2871903 is a deficient number, since it is larger than the sum of its proper divisors (1060945).

2871903 is a wasteful number, since it uses less digits than its factorization.

2871903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25913.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 2871903 is about 1694.6689942287. The cubic root of 2871903 is about 142.1422729320.

The spelling of 2871903 in words is "two million, eight hundred seventy-one thousand, nine hundred three".