808912 has 20 divisors (see below), whose sum is σ = 1688260. Its totient is φ = 373248.

The previous prime is 808867. The next prime is 808919. The reversal of 808912 is 219808.

808912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 341056 + 467856 = 584^2 + 684^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808919) by changing a digit.

808912 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1737 + ... + 2152.

It is an arithmetic number, because the mean of its divisors is an integer number (84413).

2⁸⁰⁸⁹¹² is an apocalyptic number.

It is an amenable number.

808912 is an abundant number, since it is smaller than the sum of its proper divisors (879348).

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

808912 is a wasteful number, since it uses less digits than its factorization.

808912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3910 (or 3904 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 808912 is about 899.3953524452. The cubic root of 808912 is about 93.1752198237.

The spelling of 808912 in words is "eight hundred eight thousand, nine hundred twelve".