2688255 has 16 divisors (see below), whose sum is σ = 4779360. Its totient is φ = 1433664.

The previous prime is 2688239. The next prime is 2688299. The reversal of 2688255 is 5528862.

It is not a de Polignac number, because 2688255 - 2⁴ = 2688239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9822 + ... + 10091.

It is an arithmetic number, because the mean of its divisors is an integer number (298710).

2^2688255 is an apocalyptic number.

2688255 is a deficient number, since it is larger than the sum of its proper divisors (2091105).

2688255 is a wasteful number, since it uses less digits than its factorization.

2688255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19927 (or 19921 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 2688255 is about 1639.5898877463. The cubic root of 2688255 is about 139.0454624163.

The spelling of 2688255 in words is "two million, six hundred eighty-eight thousand, two hundred fifty-five".