329744429 has 8 divisors (see below), whose sum is σ = 383961600. Its totient is φ = 277304976.

The previous prime is 329744329. The next prime is 329744447. The reversal of 329744429 is 924447923.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-329744429 is a prime.

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 329744429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329744329) 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 7 ways as a sum of consecutive naturals, for example, 444029 + ... + 444770.

It is an arithmetic number, because the mean of its divisors is an integer number (47995200).

Almost surely, 2^329744429 is an apocalyptic number.

It is an amenable number.

329744429 is a deficient number, since it is larger than the sum of its proper divisors (54217171).

329744429 is an equidigital number, since it uses as much as digits as its factorization.

329744429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888859.

The product of its digits is 435456, while the sum is 44.

The square root of 329744429 is about 18158.8664018435. The cubic root of 329744429 is about 690.8638826076.

The spelling of 329744429 in words is "three hundred twenty-nine million, seven hundred forty-four thousand, four hundred twenty-nine".