812246 has 4 divisors (see below), whose sum is σ = 1218372. Its totient is φ = 406122.

The previous prime is 812233. The next prime is 812249. The reversal of 812246 is 642218.

812246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 642218 = 2 ⋅321109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203060 + ... + 203063.

It is an arithmetic number, because the mean of its divisors is an integer number (304593).

2⁸¹²²⁴⁶ is an apocalyptic number.

812246 is a deficient number, since it is larger than the sum of its proper divisors (406126).

812246 is a wasteful number, since it uses less digits than its factorization.

812246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406125.

The product of its digits is 768, while the sum is 23.

The square root of 812246 is about 901.2469140030. The cubic root of 812246 is about 93.3030542369.

The spelling of 812246 in words is "eight hundred twelve thousand, two hundred forty-six".