2706688 has 36 divisors (see below), whose sum is σ = 5508580. Its totient is φ = 1327104.

The previous prime is 2706679. The next prime is 2706701. The reversal of 2706688 is 8866072.

It can be written as a sum of positive squares in 2 ways, for example, as 1557504 + 1149184 = 1248^2 + 1072^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24778 + ... + 24886.

2^2706688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2706688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2754290).

2706688 is an abundant number, since it is smaller than the sum of its proper divisors (2801892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2706688 is an equidigital number, since it uses as much as digits as its factorization.

2706688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 2706688 is about 1645.2015074148. The cubic root of 2706688 is about 139.3625440818.

The spelling of 2706688 in words is "two million, seven hundred six thousand, six hundred eighty-eight".