808091 has 8 divisors (see below), whose sum is σ = 838080. Its totient is φ = 778752.

The previous prime is 808081. The next prime is 808097. The reversal of 808091 is 190808.

808091 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 808091 - 2¹⁸ = 545947 is a prime.

It is a super-2 number, since 2×808091² = 1306022128562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 808091.

It is not an unprimeable number, because it can be changed into a prime (808097) 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, 4091 + ... + 4283.

It is an arithmetic number, because the mean of its divisors is an integer number (104760).

2⁸⁰⁸⁰⁹¹ is an apocalyptic number.

808091 is a deficient number, since it is larger than the sum of its proper divisors (29989).

808091 is a wasteful number, since it uses less digits than its factorization.

808091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 808091 is about 898.9388188303. The cubic root of 808091 is about 93.1436866244.

Adding to 808091 its reverse (190808), we get a palindrome (998899).

The spelling of 808091 in words is "eight hundred eight thousand, ninety-one".