2871568 has 20 divisors (see below), whose sum is σ = 6358720. Its totient is φ = 1230624.

The previous prime is 2871563. The next prime is 2871587. The reversal of 2871568 is 8651782.

It is not an unprimeable number, because it can be changed into a prime (2871563) 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, 12708 + ... + 12931.

It is an arithmetic number, because the mean of its divisors is an integer number (317936).

2^2871568 is an apocalyptic number.

2871568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2871568 is an abundant number, since it is smaller than the sum of its proper divisors (3487152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2871568 is a wasteful number, since it uses less digits than its factorization.

2871568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25654 (or 25648 counting only the distinct ones).

The product of its digits is 26880, while the sum is 37.

The square root of 2871568 is about 1694.5701519855. The cubic root of 2871568 is about 142.1367458752.

The spelling of 2871568 in words is "two million, eight hundred seventy-one thousand, five hundred sixty-eight".