2868688 has 20 divisors (see below), whose sum is σ = 5694948. Its totient is φ = 1399040.

The previous prime is 2868673. The next prime is 2868689. The reversal of 2868688 is 8868682.

2868688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 760384 + 2108304 = 872^2 + 1452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2868689) 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, 1531 + ... + 2842.

2^2868688 is an apocalyptic number.

It is an amenable number.

2868688 is a deficient number, since it is larger than the sum of its proper divisors (2826260).

2868688 is a wasteful number, since it uses less digits than its factorization.

2868688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4422 (or 4416 counting only the distinct ones).

The product of its digits is 294912, while the sum is 46.

The square root of 2868688 is about 1693.7201657889. The cubic root of 2868688 is about 142.0892119430.

The spelling of 2868688 in words is "two million, eight hundred sixty-eight thousand, six hundred eighty-eight".