2688117 has 8 divisors (see below), whose sum is σ = 3598560. Its totient is φ = 1784880.

The previous prime is 2688073. The next prime is 2688137. The reversal of 2688117 is 7118862.

It is a happy number.

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

It is not a de Polignac number, because 2688117 - 2⁶ = 2688053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2688137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859 + ... + 2472.

It is an arithmetic number, because the mean of its divisors is an integer number (449820).

2^2688117 is an apocalyptic number.

It is an amenable number.

2688117 is a deficient number, since it is larger than the sum of its proper divisors (910443).

2688117 is a wasteful number, since it uses less digits than its factorization.

2688117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3603.

The product of its digits is 5376, while the sum is 33.

The square root of 2688117 is about 1639.5478035117. The cubic root of 2688117 is about 139.0430831031.

It can be divided in two parts, 268 and 8117, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 2688117 in words is "two million, six hundred eighty-eight thousand, one hundred seventeen".