805112 has 32 divisors (see below), whose sum is σ = 1883520. Its totient is φ = 313440.

The previous prime is 805111. The next prime is 805121. The reversal of 805112 is 211508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38 + ... + 1269.

It is an arithmetic number, because the mean of its divisors is an integer number (58860).

2⁸⁰⁵¹¹² 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 805112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (941760).

805112 is an abundant number, since it is smaller than the sum of its proper divisors (1078408).

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

805112 is a wasteful number, since it uses less digits than its factorization.

805112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331 (or 1327 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 805112 is about 897.2803352353. The cubic root of 805112 is about 93.0290886769.

The spelling of 805112 in words is "eight hundred five thousand, one hundred twelve".