329941809 has 16 divisors (see below), whose sum is σ = 492656640. Its totient is φ = 218226960.

The previous prime is 329941789. The next prime is 329941811. The reversal of 329941809 is 908149923.

It is not a de Polignac number, because 329941809 - 2⁸ = 329941553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (329941819) 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 15 ways as a sum of consecutive naturals, for example, 44682 + ... + 51539.

It is an arithmetic number, because the mean of its divisors is an integer number (30791040).

Almost surely, 2^329941809 is an apocalyptic number.

It is an amenable number.

329941809 is a deficient number, since it is larger than the sum of its proper divisors (162714831).

329941809 is a wasteful number, since it uses less digits than its factorization.

329941809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96357 (or 96351 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 329941809 is about 18164.3003994098. The cubic root of 329941809 is about 691.0017019833.

The spelling of 329941809 in words is "three hundred twenty-nine million, nine hundred forty-one thousand, eight hundred nine".