808929 has 12 divisors (see below), whose sum is σ = 1274832. Its totient is φ = 490200.

The previous prime is 808919. The next prime is 808937. The reversal of 808929 is 929808.

It is not a de Polignac number, because 808929 - 2⁹ = 808417 is a prime.

It is a super-2 number, since 2×808929² = 1308732254082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 808893 and 808902.

It is not an unprimeable number, because it can be changed into a prime (808919) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3987 + ... + 4184.

It is an arithmetic number, because the mean of its divisors is an integer number (106236).

2⁸⁰⁸⁹²⁹ is an apocalyptic number.

It is an amenable number.

808929 is a deficient number, since it is larger than the sum of its proper divisors (465903).

808929 is a wasteful number, since it uses less digits than its factorization.

808929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8188 (or 8185 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 808929 is about 899.4048031893. The cubic root of 808929 is about 93.1758725390.

It can be divided in two parts, 8089 and 29, that added together give a palindrome (8118).

The spelling of 808929 in words is "eight hundred eight thousand, nine hundred twenty-nine".