711808 has 32 divisors (see below), whose sum is σ = 1456560. Its totient is φ = 346368.

The previous prime is 711793. The next prime is 711811. The reversal of 711808 is 808117.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8535 + ... + 8617.

2⁷¹¹⁸⁰⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 711808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (728280).

711808 is an abundant number, since it is smaller than the sum of its proper divisors (744752).

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

711808 is an equidigital number, since it uses as much as digits as its factorization.

711808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 25.

The square root of 711808 is about 843.6871458070. The cubic root of 711808 is about 89.2868746821.

The spelling of 711808 in words is "seven hundred eleven thousand, eight hundred eight".