2868686 has 8 divisors (see below), whose sum is σ = 4328424. Its totient is φ = 1425880.

The previous prime is 2868673. The next prime is 2868689. The reversal of 2868686 is 6868682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2868689) 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, 3800 + ... + 4491.

It is an arithmetic number, because the mean of its divisors is an integer number (541053).

2^2868686 is an apocalyptic number.

2868686 is a deficient number, since it is larger than the sum of its proper divisors (1459738).

2868686 is a wasteful number, since it uses less digits than its factorization.

2868686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8466.

The product of its digits is 221184, while the sum is 44.

The square root of 2868686 is about 1693.7195753725. The cubic root of 2868686 is about 142.0891789222.

The spelling of 2868686 in words is "two million, eight hundred sixty-eight thousand, six hundred eighty-six".