808818 has 16 divisors (see below), whose sum is σ = 1688256. Its totient is φ = 257840.

The previous prime is 808793. The next prime is 808837. The reversal of 808818 is 818808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2793 + ... + 3068.

It is an arithmetic number, because the mean of its divisors is an integer number (105516).

2⁸⁰⁸⁸¹⁸ is an apocalyptic number.

808818 is an abundant number, since it is smaller than the sum of its proper divisors (879438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

808818 is a wasteful number, since it uses less digits than its factorization.

808818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5889.

The product of its (nonzero) digits is 4096, while the sum is 33.

The square root of 808818 is about 899.3430935967. The cubic root of 808818 is about 93.1716105271.

The spelling of 808818 in words is "eight hundred eight thousand, eight hundred eighteen".