6861711 has 4 divisors (see below), whose sum is σ = 9148952. Its totient is φ = 4574472.

The previous prime is 6861709. The next prime is 6861733. The reversal of 6861711 is 1171686.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6861711 - 2¹ = 6861709 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6861791) 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 3 ways as a sum of consecutive naturals, for example, 1143616 + ... + 1143621.

It is an arithmetic number, because the mean of its divisors is an integer number (2287238).

Almost surely, 2^6861711 is an apocalyptic number.

6861711 is a deficient number, since it is larger than the sum of its proper divisors (2287241).

6861711 is a wasteful number, since it uses less digits than its factorization.

6861711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287240.

The product of its digits is 2016, while the sum is 30.

The square root of 6861711 is about 2619.4867817952. The cubic root of 6861711 is about 190.0250290204.

The spelling of 6861711 in words is "six million, eight hundred sixty-one thousand, seven hundred eleven".