808829 has 4 divisors (see below), whose sum is σ = 924384. Its totient is φ = 693276.

The previous prime is 808793. The next prime is 808837. The reversal of 808829 is 928808.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-808829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57767 + ... + 57780.

It is an arithmetic number, because the mean of its divisors is an integer number (231096).

2⁸⁰⁸⁸²⁹ is an apocalyptic number.

It is an amenable number.

808829 is a deficient number, since it is larger than the sum of its proper divisors (115555).

808829 is a wasteful number, since it uses less digits than its factorization.

808829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115554.

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

The square root of 808829 is about 899.3492091507. The cubic root of 808829 is about 93.1720329061.

The spelling of 808829 in words is "eight hundred eight thousand, eight hundred twenty-nine".