2685711 has 16 divisors (see below), whose sum is σ = 4333824. Its totient is φ = 1444224.

The previous prime is 2685703. The next prime is 2685731. The reversal of 2685711 is 1175862.

It is not a de Polignac number, because 2685711 - 2³ = 2685703 is a prime.

2685711 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3405 + ... + 4118.

It is an arithmetic number, because the mean of its divisors is an integer number (270864).

2^2685711 is an apocalyptic number.

2685711 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2685711 is a deficient number, since it is larger than the sum of its proper divisors (1648113).

2685711 is a wasteful number, since it uses less digits than its factorization.

2685711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7550.

The product of its digits is 3360, while the sum is 30.

The square root of 2685711 is about 1638.8139003560. The cubic root of 2685711 is about 139.0015872013.

The spelling of 2685711 in words is "two million, six hundred eighty-five thousand, seven hundred eleven".