328587 has 8 divisors (see below), whose sum is σ = 500736. Its totient is φ = 187752.

The previous prime is 328579. The next prime is 328589. The reversal of 328587 is 785823.

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

It is not a de Polignac number, because 328587 - 2³ = 328579 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 3³ + 2¹⁶ + 5² + 8³ + 8⁶ + 7³ .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 328587.

It is not an unprimeable number, because it can be changed into a prime (328589) 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, 7803 + ... + 7844.

It is an arithmetic number, because the mean of its divisors is an integer number (62592).

328587 is a Friedman number, since it can be written as 78+(8^2+5)^3, using all its digits and the basic arithmetic operations.

2³²⁸⁵⁸⁷ is an apocalyptic number.

328587 is a deficient number, since it is larger than the sum of its proper divisors (172149).

328587 is a wasteful number, since it uses less digits than its factorization.

328587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15657.

The product of its digits is 13440, while the sum is 33.

The square root of 328587 is about 573.2250866806. The cubic root of 328587 is about 69.0054606054.

The spelling of 328587 in words is "three hundred twenty-eight thousand, five hundred eighty-seven".