329080728 has 32 divisors (see below), whose sum is σ = 826848000. Its totient is φ = 109140768.

The previous prime is 329080723. The next prime is 329080729. The reversal of 329080728 is 827080923.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329080721) 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, 29676 + ... + 39227.

It is an arithmetic number, because the mean of its divisors is an integer number (25839000).

Almost surely, 2^329080728 is an apocalyptic number.

It is an amenable number.

329080728 is an abundant number, since it is smaller than the sum of its proper divisors (497767272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

329080728 is a wasteful number, since it uses less digits than its factorization.

329080728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69111 (or 69107 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 329080728 is about 18140.5823500791. The cubic root of 329080728 is about 690.4000536632.

The spelling of 329080728 in words is "three hundred twenty-nine million, eighty thousand, seven hundred twenty-eight".