809226 has 48 divisors (see below), whose sum is σ = 1973088. Its totient is φ = 237600.

The previous prime is 809213. The next prime is 809231. The reversal of 809226 is 622908.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 809226.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12045 + ... + 12111.

It is an arithmetic number, because the mean of its divisors is an integer number (41106).

2⁸⁰⁹²²⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 809226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (986544).

809226 is an abundant number, since it is smaller than the sum of its proper divisors (1163862).

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

809226 is a wasteful number, since it uses less digits than its factorization.

809226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 144 counting only the distinct ones).

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

The square root of 809226 is about 899.5698972287. The cubic root of 809226 is about 93.1872743835.

It can be divided in two parts, 8092 and 26, that added together give a palindrome (8118).

The spelling of 809226 in words is "eight hundred nine thousand, two hundred twenty-six".