809229 has 8 divisors (see below), whose sum is σ = 1135840. Its totient is φ = 511056.

The previous prime is 809213. The next prime is 809231. The reversal of 809229 is 922908.

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

It is not a de Polignac number, because 809229 - 2⁴ = 809213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 809196 and 809205.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 809229.

It is not an unprimeable number, because it can be changed into a prime (809239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7042 + ... + 7155.

It is an arithmetic number, because the mean of its divisors is an integer number (141980).

2⁸⁰⁹²²⁹ is an apocalyptic number.

It is an amenable number.

809229 is a deficient number, since it is larger than the sum of its proper divisors (326611).

809229 is a wasteful number, since it uses less digits than its factorization.

809229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14219.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 809229 is about 899.5715646907. The cubic root of 809229 is about 93.1873895394.

The spelling of 809229 in words is "eight hundred nine thousand, two hundred twenty-nine".