2678128 has 20 divisors (see below), whose sum is σ = 5278680. Its totient is φ = 1315904.

The previous prime is 2678119. The next prime is 2678131. The reversal of 2678128 is 8218762.

2678128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2678093 and 2678102.

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 3 ways as a sum of consecutive naturals, for example, 475 + ... + 2362.

It is an arithmetic number, because the mean of its divisors is an integer number (263934).

2^2678128 is an apocalyptic number.

It is an amenable number.

2678128 is a deficient number, since it is larger than the sum of its proper divisors (2600552).

2678128 is a wasteful number, since it uses less digits than its factorization.

2678128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2904 (or 2898 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 2678128 is about 1636.4987014966. The cubic root of 2678128 is about 138.8706420355.

The spelling of 2678128 in words is "two million, six hundred seventy-eight thousand, one hundred twenty-eight".