2845871 has 8 divisors (see below), whose sum is σ = 3319200. Its totient is φ = 2439024.

The previous prime is 2845853. The next prime is 2845873. The reversal of 2845871 is 1785482.

It is not a de Polignac number, because 2845871 - 2¹⁴ = 2829487 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 (2845873) 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, 3806 + ... + 4491.

It is an arithmetic number, because the mean of its divisors is an integer number (414900).

2^2845871 is an apocalyptic number.

2845871 is a deficient number, since it is larger than the sum of its proper divisors (473329).

2845871 is an frugal number, since it uses more digits than its factorization.

2845871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8318 (or 8304 counting only the distinct ones).

The product of its digits is 17920, while the sum is 35.

The square root of 2845871 is about 1686.9709541068. The cubic root of 2845871 is about 141.7114918514.

The spelling of 2845871 in words is "two million, eight hundred forty-five thousand, eight hundred seventy-one".