809106 has 8 divisors (see below), whose sum is σ = 1618224. Its totient is φ = 269700.

The previous prime is 809101. The next prime is 809141. The reversal of 809106 is 601908.

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

809106 is an admirable number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (809101) by changing a digit.

809106 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67420 + ... + 67431.

It is an arithmetic number, because the mean of its divisors is an integer number (202278).

2⁸⁰⁹¹⁰⁶ is an apocalyptic number.

809106 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.

809106 is a wasteful number, since it uses less digits than its factorization.

809106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134856.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 809106 is about 899.5031962144. The cubic root of 809106 is about 93.1826679136.

The spelling of 809106 in words is "eight hundred nine thousand, one hundred six".