808289 has 8 divisors (see below), whose sum is σ = 853632. Its totient is φ = 763840.

The previous prime is 808267. The next prime is 808307. The reversal of 808289 is 982808.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-808289 is a prime.

It is a super-2 number, since 2×808289² = 1306662215042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (808229) 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, 2444 + ... + 2754.

It is an arithmetic number, because the mean of its divisors is an integer number (106704).

2⁸⁰⁸²⁸⁹ is an apocalyptic number.

It is an amenable number.

808289 is a deficient number, since it is larger than the sum of its proper divisors (45343).

808289 is a wasteful number, since it uses less digits than its factorization.

808289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 808289 is about 899.0489419381. The cubic root of 808289 is about 93.1512934178.

The spelling of 808289 in words is "eight hundred eight thousand, two hundred eighty-nine".