328529 has 4 divisors (see below), whose sum is σ = 345840. Its totient is φ = 311220.

The previous prime is 328519. The next prime is 328543. The reversal of 328529 is 925823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 328529 - 2⁴ = 328513 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 328529.

It is not an unprimeable number, because it can be changed into a prime (328519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8627 + ... + 8664.

It is an arithmetic number, because the mean of its divisors is an integer number (86460).

2³²⁸⁵²⁹ is an apocalyptic number.

It is an amenable number.

328529 is a deficient number, since it is larger than the sum of its proper divisors (17311).

328529 is a wasteful number, since it uses less digits than its factorization.

328529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17310.

The product of its digits is 4320, while the sum is 29.

The square root of 328529 is about 573.1744935009. The cubic root of 328529 is about 69.0014002376.

The spelling of 328529 in words is "three hundred twenty-eight thousand, five hundred twenty-nine".