3429809 has 12 divisors (see below), whose sum is σ = 3670128. Its totient is φ = 3202920.

The previous prime is 3429799. The next prime is 3429821. The reversal of 3429809 is 9089243.

3429809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-3429809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3429109) 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, 41282 + ... + 41364.

It is an arithmetic number, because the mean of its divisors is an integer number (305844).

Almost surely, 2^3429809 is an apocalyptic number.

It is an amenable number.

3429809 is a deficient number, since it is larger than the sum of its proper divisors (240319).

3429809 is an equidigital number, since it uses as much as digits as its factorization.

3429809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 3429809 is about 1851.9743518742. The cubic root of 3429809 is about 150.8076289508.

The spelling of 3429809 in words is "three million, four hundred twenty-nine thousand, eight hundred nine".