2871995 has 16 divisors (see below), whose sum is σ = 4067328. Its totient is φ = 1905120.

The previous prime is 2871991. The next prime is 2872003. The reversal of 2871995 is 5991782.

It is not a de Polignac number, because 2871995 - 2² = 2871991 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2871991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239 + ... + 2408.

It is an arithmetic number, because the mean of its divisors is an integer number (254208).

2^2871995 is an apocalyptic number.

2871995 is a deficient number, since it is larger than the sum of its proper divisors (1195333).

2871995 is a wasteful number, since it uses less digits than its factorization.

2871995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690.

The product of its digits is 45360, while the sum is 41.

The square root of 2871995 is about 1694.6961379551. The cubic root of 2871995 is about 142.1437907351.

The spelling of 2871995 in words is "two million, eight hundred seventy-one thousand, nine hundred ninety-five".