2871193 has 4 divisors (see below), whose sum is σ = 3092068. Its totient is φ = 2650320.

The previous prime is 2871191. The next prime is 2871199. The reversal of 2871193 is 3911782.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1814409 + 1056784 = 1347^2 + 1028^2 .

It is a cyclic number.

It is not a de Polignac number, because 2871193 - 2¹ = 2871191 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 (2871191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110418 + ... + 110443.

It is an arithmetic number, because the mean of its divisors is an integer number (773017).

2^2871193 is an apocalyptic number.

It is an amenable number.

2871193 is a deficient number, since it is larger than the sum of its proper divisors (220875).

2871193 is a wasteful number, since it uses less digits than its factorization.

2871193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220874.

The product of its digits is 3024, while the sum is 31.

The square root of 2871193 is about 1694.4595008439. The cubic root of 2871193 is about 142.1305583614.

The spelling of 2871193 in words is "two million, eight hundred seventy-one thousand, one hundred ninety-three".