328559 has 16 divisors (see below), whose sum is σ = 435456. Its totient is φ = 240000.

The previous prime is 328543. The next prime is 328579. The reversal of 328559 is 955823.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 328559 - 2⁴ = 328543 is a prime.

It is an Ulam number.

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 328559.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1184 + ... + 1434.

It is an arithmetic number, because the mean of its divisors is an integer number (27216).

2³²⁸⁵⁵⁹ is an apocalyptic number.

328559 is a deficient number, since it is larger than the sum of its proper divisors (106897).

328559 is a wasteful number, since it uses less digits than its factorization.

328559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286.

The product of its digits is 10800, while the sum is 32.

The square root of 328559 is about 573.2006629445. The cubic root of 328559 is about 69.0035004875.

Subtracting 328559 from its reverse (955823), we obtain a square (627264 = 792²).

The spelling of 328559 in words is "three hundred twenty-eight thousand, five hundred fifty-nine".