2871329 has 4 divisors (see below), whose sum is σ = 2899860. Its totient is φ = 2842800.

The previous prime is 2871293. The next prime is 2871347. The reversal of 2871329 is 9231782.

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 2024929 + 846400 = 1423^2 + 920^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2871329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2871295 and 2871304.

It is not an unprimeable number, because it can be changed into a prime (2871359) 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, 14114 + ... + 14315.

It is an arithmetic number, because the mean of its divisors is an integer number (724965).

2^2871329 is an apocalyptic number.

It is an amenable number.

2871329 is a deficient number, since it is larger than the sum of its proper divisors (28531).

2871329 is a wasteful number, since it uses less digits than its factorization.

2871329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28530.

The product of its digits is 6048, while the sum is 32.

The square root of 2871329 is about 1694.4996311596. The cubic root of 2871329 is about 142.1328024287.

The spelling of 2871329 in words is "two million, eight hundred seventy-one thousand, three hundred twenty-nine".