808429 has 4 divisors (see below), whose sum is σ = 813276. Its totient is φ = 803584.

The previous prime is 808421. The next prime is 808439. The reversal of 808429 is 924808.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 756900 + 51529 = 870^2 + 227^2 .

It is a cyclic number.

It is not a de Polignac number, because 808429 - 2³ = 808421 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 808429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2164 + ... + 2509.

It is an arithmetic number, because the mean of its divisors is an integer number (203319).

2⁸⁰⁸⁴²⁹ is an apocalyptic number.

It is an amenable number.

808429 is a deficient number, since it is larger than the sum of its proper divisors (4847).

808429 is a wasteful number, since it uses less digits than its factorization.

808429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4846.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 808429 is about 899.1267986219. The cubic root of 808429 is about 93.1566712089.

The spelling of 808429 in words is "eight hundred eight thousand, four hundred twenty-nine".