711849 has 4 divisors (see below), whose sum is σ = 949136. Its totient is φ = 474564.

The previous prime is 711847. The next prime is 711859. The reversal of 711849 is 948117.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 711849 - 2¹ = 711847 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (711847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118639 + ... + 118644.

It is an arithmetic number, because the mean of its divisors is an integer number (237284).

2⁷¹¹⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

711849 is a deficient number, since it is larger than the sum of its proper divisors (237287).

711849 is a wasteful number, since it uses less digits than its factorization.

711849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237286.

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

The square root of 711849 is about 843.7114435635. The cubic root of 711849 is about 89.2885889513.

The spelling of 711849 in words is "seven hundred eleven thousand, eight hundred forty-nine".