2859868 has 12 divisors (see below), whose sum is σ = 5459832. Its totient is φ = 1299920.

The previous prime is 2859847. The next prime is 2859869. The reversal of 2859868 is 8689582.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2859869) 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, 32455 + ... + 32542.

It is an arithmetic number, because the mean of its divisors is an integer number (454986).

2^2859868 is an apocalyptic number.

It is an amenable number.

2859868 is a deficient number, since it is larger than the sum of its proper divisors (2599964).

2859868 is a wasteful number, since it uses less digits than its factorization.

2859868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65012 (or 65010 counting only the distinct ones).

The product of its digits is 276480, while the sum is 46.

The square root of 2859868 is about 1691.1144254603. The cubic root of 2859868 is about 141.9434410739.

It can be divided in two parts, 285 and 9868, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 2859868 in words is "two million, eight hundred fifty-nine thousand, eight hundred sixty-eight".