328575 has 24 divisors (see below), whose sum is σ = 586768. Its totient is φ = 161280.

The previous prime is 328543. The next prime is 328579. The reversal of 328575 is 575823.

It is a happy number.

It is not a de Polignac number, because 328575 - 2⁵ = 328543 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

328575 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 807 + ... + 1143.

2³²⁸⁵⁷⁵ is an apocalyptic number.

328575 is a deficient number, since it is larger than the sum of its proper divisors (258193).

328575 is a wasteful number, since it uses less digits than its factorization.

328575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363 (or 358 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 328575 is about 573.2146194926. The cubic root of 328575 is about 69.0046205685.

It can be divided in two parts, 328 and 575, that added together give a triangular number (903 = T₄₂).

The spelling of 328575 in words is "three hundred twenty-eight thousand, five hundred seventy-five".