328515 has 24 divisors (see below), whose sum is σ = 580944. Its totient is φ = 158400.

The previous prime is 328513. The next prime is 328519. The reversal of 328515 is 515823.

It is not a de Polignac number, because 328515 - 2¹ = 328513 is a prime.

Its product of digits (1200) is a multiple of the sum of its prime divisors (200).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 328515.

It is not an unprimeable number, because it can be changed into a prime (328511) 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 23 ways as a sum of consecutive naturals, for example, 1725 + ... + 1905.

It is an arithmetic number, because the mean of its divisors is an integer number (24206).

328515 is a Friedman number, since it can be written as (8^2+5)^3+5+1, using all its digits and the basic arithmetic operations.

2³²⁸⁵¹⁵ is an apocalyptic number.

328515 is a deficient number, since it is larger than the sum of its proper divisors (252429).

328515 is a wasteful number, since it uses less digits than its factorization.

328515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 200 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 328515 is about 573.1622806850. The cubic root of 328515 is about 69.0004200773. Note that the first 3 decimals are identical.

The spelling of 328515 in words is "three hundred twenty-eight thousand, five hundred fifteen".