1304434209 has 8 divisors (see below), whose sum is σ = 1873033792. Its totient is φ = 802728720.

The previous prime is 1304434177. The next prime is 1304434247. The reversal of 1304434209 is 9024344031.

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

It is not a de Polignac number, because 1304434209 - 2⁵ = 1304434177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1304434249) 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 7 ways as a sum of consecutive naturals, for example, 16723477 + ... + 16723554.

It is an arithmetic number, because the mean of its divisors is an integer number (234129224).

Almost surely, 2^1304434209 is an apocalyptic number.

It is an amenable number.

1304434209 is a deficient number, since it is larger than the sum of its proper divisors (568599583).

1304434209 is a wasteful number, since it uses less digits than its factorization.

1304434209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33447047.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 1304434209 is about 36116.9518232090. The cubic root of 1304434209 is about 1092.6323631098.

The spelling of 1304434209 in words is "one billion, three hundred four million, four hundred thirty-four thousand, two hundred nine".