806711 has 4 divisors (see below), whose sum is σ = 828552. Its totient is φ = 784872.

The previous prime is 806671. The next prime is 806719. The reversal of 806711 is 117608.

806711 = 24² + 25² + ... + 134².

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

It is a cyclic number.

It is not a de Polignac number, because 806711 - 2¹⁰ = 805687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806719) 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, 10865 + ... + 10938.

It is an arithmetic number, because the mean of its divisors is an integer number (207138).

2⁸⁰⁶⁷¹¹ is an apocalyptic number.

806711 is a deficient number, since it is larger than the sum of its proper divisors (21841).

806711 is a wasteful number, since it uses less digits than its factorization.

806711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21840.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 806711 is about 898.1709191462. The cubic root of 806711 is about 93.0906350388.

The spelling of 806711 in words is "eight hundred six thousand, seven hundred eleven".