812934 has 24 divisors (see below), whose sum is σ = 1854840. Its totient is φ = 256608.

The previous prime is 812921. The next prime is 812939. The reversal of 812934 is 439218.

812934 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 812898 and 812907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812939) by changing a digit.

812934 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 11 ways as a sum of consecutive naturals, for example, 847 + ... + 1530.

It is an arithmetic number, because the mean of its divisors is an integer number (77285).

2⁸¹²⁹³⁴ is an apocalyptic number.

812934 is an abundant number, since it is smaller than the sum of its proper divisors (1041906).

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

812934 is a wasteful number, since it uses less digits than its factorization.

812934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404 (or 2401 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 812934 is about 901.6285266117. The cubic root of 812934 is about 93.3293904230.

The spelling of 812934 in words is "eight hundred twelve thousand, nine hundred thirty-four".