2688886 has 8 divisors (see below), whose sum is σ = 4041720. Its totient is φ = 1341648.

The previous prime is 2688883. The next prime is 2688887. The reversal of 2688886 is 6888862.

2688886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (2688883) 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, 145 + ... + 2323.

It is an arithmetic number, because the mean of its divisors is an integer number (505215).

2^2688886 is an apocalyptic number.

2688886 is a deficient number, since it is larger than the sum of its proper divisors (1352834).

2688886 is a wasteful number, since it uses less digits than its factorization.

2688886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798.

The product of its digits is 294912, while the sum is 46.

The square root of 2688886 is about 1639.7823026243. The cubic root of 2688886 is about 139.0563407027.

The spelling of 2688886 in words is "two million, six hundred eighty-eight thousand, eight hundred eighty-six".