429800809 has 8 divisors (see below), whose sum is σ = 435520512. Its totient is φ = 424094160.

The previous prime is 429800807. The next prime is 429800849. The reversal of 429800809 is 908008924.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 429800809 - 2¹ = 429800807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (429800803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75352 + ... + 80854.

It is an arithmetic number, because the mean of its divisors is an integer number (54440064).

Almost surely, 2^429800809 is an apocalyptic number.

It is an amenable number.

429800809 is a deficient number, since it is larger than the sum of its proper divisors (5719703).

429800809 is an equidigital number, since it uses as much as digits as its factorization.

429800809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6527.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 429800809 is about 20731.6378754791. The cubic root of 429800809 is about 754.6676659659.

The spelling of 429800809 in words is "four hundred twenty-nine million, eight hundred thousand, eight hundred nine".