2655678 has 16 divisors (see below), whose sum is σ = 5328000. Its totient is φ = 882456.

The previous prime is 2655661. The next prime is 2655691. The reversal of 2655678 is 8765562.

It is a happy number.

2655678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2551 + ... + 3437.

It is an arithmetic number, because the mean of its divisors is an integer number (333000).

2^2655678 is an apocalyptic number.

2655678 is an abundant number, since it is smaller than the sum of its proper divisors (2672322).

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

2655678 is a wasteful number, since it uses less digits than its factorization.

2655678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391.

The product of its digits is 100800, while the sum is 39.

The square root of 2655678 is about 1629.6251102631. The cubic root of 2655678 is about 138.4815147342.

It can be divided in two parts, 2655 and 678, that added together give a palindrome (3333).

The spelling of 2655678 in words is "two million, six hundred fifty-five thousand, six hundred seventy-eight".