2706656 has 24 divisors (see below), whose sum is σ = 5461344. Its totient is φ = 1319680.

The previous prime is 2706653. The next prime is 2706667. The reversal of 2706656 is 6566072.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2706653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281 + ... + 2343.

It is an arithmetic number, because the mean of its divisors is an integer number (227556).

2^2706656 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 2706656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2730672).

2706656 is an abundant number, since it is smaller than the sum of its proper divisors (2754688).

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

2706656 is a wasteful number, since it uses less digits than its factorization.

2706656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114 (or 2106 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 2706656 is about 1645.1917821336. The cubic root of 2706656 is about 139.3619948720.

The spelling of 2706656 in words is "two million, seven hundred six thousand, six hundred fifty-six".