711906 has 16 divisors (see below), whose sum is σ = 1533504. Its totient is φ = 219024.

The previous prime is 711899. The next prime is 711913. The reversal of 711906 is 609117.

It is an interprime number because it is at equal distance from previous prime (711899) and next prime (711913).

It is an unprimeable number.

711906 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 4486 + ... + 4641.

It is an arithmetic number, because the mean of its divisors is an integer number (95844).

2⁷¹¹⁹⁰⁶ is an apocalyptic number.

711906 is an abundant number, since it is smaller than the sum of its proper divisors (821598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

711906 is a wasteful number, since it uses less digits than its factorization.

711906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9145.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 711906 is about 843.7452222087. The cubic root of 711906 is about 89.2909720942.

The spelling of 711906 in words is "seven hundred eleven thousand, nine hundred six".