2871237 has 8 divisors (see below), whose sum is σ = 3931936. Its totient is φ = 1862352.

The previous prime is 2871233. The next prime is 2871257. The reversal of 2871237 is 7321782.

2871237 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

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

It is not a de Polignac number, because 2871237 - 2² = 2871233 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 (2871233) 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, 12823 + ... + 13044.

It is an arithmetic number, because the mean of its divisors is an integer number (491492).

2^2871237 is an apocalyptic number.

It is an amenable number.

2871237 is a deficient number, since it is larger than the sum of its proper divisors (1060699).

2871237 is a wasteful number, since it uses less digits than its factorization.

2871237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25907.

The product of its digits is 4704, while the sum is 30.

The square root of 2871237 is about 1694.4724842853. The cubic root of 2871237 is about 142.1312843909.

The spelling of 2871237 in words is "two million, eight hundred seventy-one thousand, two hundred thirty-seven".