2688579 has 8 divisors (see below), whose sum is σ = 3983120. Its totient is φ = 1792368.

The previous prime is 2688563. The next prime is 2688611. The reversal of 2688579 is 9758862.

It is not a de Polignac number, because 2688579 - 2⁴ = 2688563 is a prime.

It is a super-3 number, since 3×2688579³ = 58302833394316585617, which contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2688529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49762 + ... + 49815.

It is an arithmetic number, because the mean of its divisors is an integer number (497890).

2^2688579 is an apocalyptic number.

2688579 is a deficient number, since it is larger than the sum of its proper divisors (1294541).

2688579 is an equidigital number, since it uses as much as digits as its factorization.

2688579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99586 (or 99580 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 2688579 is about 1639.6886899653. The cubic root of 2688579 is about 139.0510483100.

The spelling of 2688579 in words is "two million, six hundred eighty-eight thousand, five hundred seventy-nine".