809159 has 8 divisors (see below), whose sum is σ = 885360. Its totient is φ = 734976.

The previous prime is 809147. The next prime is 809173. The reversal of 809159 is 951908.

809159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 809159 - 2⁴ = 809143 is a prime.

It is a super-3 number, since 3×809159³ = 1589362133394020037, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809189) 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, 407 + ... + 1335.

It is an arithmetic number, because the mean of its divisors is an integer number (110670).

2⁸⁰⁹¹⁵⁹ is an apocalyptic number.

809159 is a deficient number, since it is larger than the sum of its proper divisors (76201).

809159 is a wasteful number, since it uses less digits than its factorization.

809159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 809159 is about 899.5326564389. The cubic root of 809159 is about 93.1847024940.

The spelling of 809159 in words is "eight hundred nine thousand, one hundred fifty-nine".