2810868 has 12 divisors (see below), whose sum is σ = 6558720. Its totient is φ = 936952.

The previous prime is 2810861. The next prime is 2810881. The reversal of 2810868 is 8680182.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2810861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117108 + ... + 117131.

It is an arithmetic number, because the mean of its divisors is an integer number (546560).

2^2810868 is an apocalyptic number.

It is an amenable number.

2810868 is an abundant number, since it is smaller than the sum of its proper divisors (3747852).

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

2810868 is a wasteful number, since it uses less digits than its factorization.

2810868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234246 (or 234244 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 2810868 is about 1676.5643441276. The cubic root of 2810868 is about 141.1280964575.

The spelling of 2810868 in words is "two million, eight hundred ten thousand, eight hundred sixty-eight".