328764329 has 8 divisors (see below), whose sum is σ = 342552000. Its totient is φ = 315140112.

The previous prime is 328764311. The next prime is 328764341. The reversal of 328764329 is 923467823.

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

It is a cyclic number.

It is not a de Polignac number, because 328764329 - 2²⁴ = 311987113 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 328764329.

It is not an unprimeable number, because it can be changed into a prime (328764349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36749 + ... + 44810.

It is an arithmetic number, because the mean of its divisors is an integer number (42819000).

Almost surely, 2^328764329 is an apocalyptic number.

It is an amenable number.

328764329 is a deficient number, since it is larger than the sum of its proper divisors (13787671).

328764329 is a wasteful number, since it uses less digits than its factorization.

328764329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81727.

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

The square root of 328764329 is about 18131.8595019926. The cubic root of 328764329 is about 690.1787179712.

The spelling of 328764329 in words is "three hundred twenty-eight million, seven hundred sixty-four thousand, three hundred twenty-nine".