328532 has 12 divisors (see below), whose sum is σ = 600096. Its totient is φ = 157080.

The previous prime is 328519. The next prime is 328543. The reversal of 328532 is 235823.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 328498 and 328507.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 328532.

It is an unprimeable number.

328532 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 1694 + ... + 1877.

It is an arithmetic number, because the mean of its divisors is an integer number (50008).

328532 is a Friedman number, since it can be written as 23+(8^2+5)^3, using all its digits and the basic arithmetic operations.

2³²⁸⁵³² is an apocalyptic number.

It is an amenable number.

328532 is a deficient number, since it is larger than the sum of its proper divisors (271564).

328532 is a wasteful number, since it uses less digits than its factorization.

328532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3598 (or 3596 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 328532 is about 573.1771104990. The cubic root of 328532 is about 69.0016102684.

Subtracting from 328532 its sum of digits (23), we obtain a cube (328509 = 69³).

The spelling of 328532 in words is "three hundred twenty-eight thousand, five hundred thirty-two".