2688206 has 8 divisors (see below), whose sum is σ = 4130784. Its totient is φ = 1311280.

The previous prime is 2688187. The next prime is 2688221. The reversal of 2688206 is 6028862.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16310 + ... + 16473.

It is an arithmetic number, because the mean of its divisors is an integer number (516348).

2^2688206 is an apocalyptic number.

2688206 is a deficient number, since it is larger than the sum of its proper divisors (1442578).

2688206 is a wasteful number, since it uses less digits than its factorization.

2688206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32826.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 2688206 is about 1639.5749449171. The cubic root of 2688206 is about 139.0446175970.

The spelling of 2688206 in words is "two million, six hundred eighty-eight thousand, two hundred six".