812794 has 4 divisors (see below), whose sum is σ = 1219194. Its totient is φ = 406396.

The previous prime is 812761. The next prime is 812807. The reversal of 812794 is 497218.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 497218 = 2 ⋅248609.

It can be written as a sum of positive squares in only one way, i.e., 700569 + 112225 = 837^2 + 335^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203197 + ... + 203200.

2⁸¹²⁷⁹⁴ is an apocalyptic number.

812794 is a deficient number, since it is larger than the sum of its proper divisors (406400).

812794 is a wasteful number, since it uses less digits than its factorization.

812794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406399.

The product of its digits is 4032, while the sum is 31.

The square root of 812794 is about 901.5508859737. The cubic root of 812794 is about 93.3240325199.

The spelling of 812794 in words is "eight hundred twelve thousand, seven hundred ninety-four".