2102868 has 24 divisors (see below), whose sum is σ = 5452160. Its totient is φ = 700920.

The previous prime is 2102857. The next prime is 2102873. The reversal of 2102868 is 8682012.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9628 + ... + 9843.

2^2102868 is an apocalyptic number.

It is an amenable number.

2102868 is an abundant number, since it is smaller than the sum of its proper divisors (3349292).

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

2102868 is a wasteful number, since it uses less digits than its factorization.

2102868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19484 (or 19476 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 2102868 is about 1450.1268909995. The cubic root of 2102868 is about 128.1161868219.

The spelling of 2102868 in words is "two million, one hundred two thousand, eight hundred sixty-eight".