2711689 has 4 divisors (see below), whose sum is σ = 2715156. Its totient is φ = 2708224.

The previous prime is 2711669. The next prime is 2711707. The reversal of 2711689 is 9861172.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1960000 + 751689 = 1400^2 + 867^2 .

It is a cyclic number.

It is not a de Polignac number, because 2711689 - 2¹³ = 2703497 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2711629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57 + ... + 2329.

It is an arithmetic number, because the mean of its divisors is an integer number (678789).

2^2711689 is an apocalyptic number.

It is an amenable number.

2711689 is a deficient number, since it is larger than the sum of its proper divisors (3467).

2711689 is a wasteful number, since it uses less digits than its factorization.

2711689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466.

The product of its digits is 6048, while the sum is 34.

The square root of 2711689 is about 1646.7206806256. The cubic root of 2711689 is about 139.4483221351.

The spelling of 2711689 in words is "two million, seven hundred eleven thousand, six hundred eighty-nine".