812896 has 48 divisors (see below), whose sum is σ = 1935360. Its totient is φ = 328320.

The previous prime is 812869. The next prime is 812921. The reversal of 812896 is 698218.

It is a congruent number.

It is an unprimeable number.

812896 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 7 ways as a sum of consecutive naturals, for example, 4161 + ... + 4351.

It is an arithmetic number, because the mean of its divisors is an integer number (40320).

2⁸¹²⁸⁹⁶ 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 812896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (967680).

812896 is an abundant number, since it is smaller than the sum of its proper divisors (1122464).

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

812896 is a wasteful number, since it uses less digits than its factorization.

812896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 219 counting only the distinct ones).

The product of its digits is 6912, while the sum is 34.

The square root of 812896 is about 901.6074533853. The cubic root of 812896 is about 93.3279361958.

The spelling of 812896 in words is "eight hundred twelve thousand, eight hundred ninety-six".