2873868 has 12 divisors (see below), whose sum is σ = 6705720. Its totient is φ = 957952.

The previous prime is 2873863. The next prime is 2873879. The reversal of 2873868 is 8683782.

2873868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2873863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119733 + ... + 119756.

It is an arithmetic number, because the mean of its divisors is an integer number (558810).

2^2873868 is an apocalyptic number.

It is an amenable number.

2873868 is an abundant number, since it is smaller than the sum of its proper divisors (3831852).

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

2873868 is a wasteful number, since it uses less digits than its factorization.

2873868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239496 (or 239494 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 2873868 is about 1695.2486543277. The cubic root of 2873868 is about 142.1746841808.

It can be divided in two parts, 2873 and 868, that added together give a triangular number (3741 = T₈₆).

The spelling of 2873868 in words is "two million, eight hundred seventy-three thousand, eight hundred sixty-eight".