2871349 has 4 divisors (see below), whose sum is σ = 3092236. Its totient is φ = 2650464.

The previous prime is 2871347. The next prime is 2871359. The reversal of 2871349 is 9431782.

2871349 is nontrivially palindromic in base 6.

2871349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1737124 + 1134225 = 1318^2 + 1065^2 .

It is a cyclic number.

It is not a de Polignac number, because 2871349 - 2¹ = 2871347 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 (2871347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110424 + ... + 110449.

It is an arithmetic number, because the mean of its divisors is an integer number (773059).

2^2871349 is an apocalyptic number.

It is an amenable number.

2871349 is a deficient number, since it is larger than the sum of its proper divisors (220887).

2871349 is a wasteful number, since it uses less digits than its factorization.

2871349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220886.

The product of its digits is 12096, while the sum is 34.

The square root of 2871349 is about 1694.5055325965. The cubic root of 2871349 is about 142.1331324326.

The spelling of 2871349 in words is "two million, eight hundred seventy-one thousand, three hundred forty-nine".