806826 has 8 divisors (see below), whose sum is σ = 1613664. Its totient is φ = 268940.

The previous prime is 806821. The next prime is 806857. The reversal of 806826 is 628608.

It is a sphenic number, since it is the product of 3 distinct primes.

806826 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 806793 and 806802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806821) by changing a digit.

806826 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67230 + ... + 67241.

It is an arithmetic number, because the mean of its divisors is an integer number (201708).

2⁸⁰⁶⁸²⁶ is an apocalyptic number.

806826 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

806826 is a wasteful number, since it uses less digits than its factorization.

806826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134476.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 806826 is about 898.2349358603. The cubic root of 806826 is about 93.0950583140.

The spelling of 806826 in words is "eight hundred six thousand, eight hundred twenty-six".