2728888 has 16 divisors (see below), whose sum is σ = 5140080. Its totient is φ = 1358208.

The previous prime is 2728883. The next prime is 2728889. The reversal of 2728888 is 8888272.

It is a happy number.

2728888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2728888 is a modest number, since divided by 8888 gives 272 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728883) by changing a digit.

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, 1456 + ... + 2752.

It is an arithmetic number, because the mean of its divisors is an integer number (321255).

2^2728888 is an apocalyptic number.

It is an amenable number.

2728888 is a deficient number, since it is larger than the sum of its proper divisors (2411192).

2728888 is a wasteful number, since it uses less digits than its factorization.

2728888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566 (or 1562 counting only the distinct ones).

The product of its digits is 114688, while the sum is 43.

The square root of 2728888 is about 1651.9346234037. The cubic root of 2728888 is about 139.7425199449.

The spelling of 2728888 in words is "two million, seven hundred twenty-eight thousand, eight hundred eighty-eight".