324928 has 14 divisors (see below), whose sum is σ = 644906. Its totient is φ = 162432.

The previous prime is 324901. The next prime is 324931. The reversal of 324928 is 829423.

It can be written as a sum of positive squares in only one way, i.e., 322624 + 2304 = 568^2 + 48^2 .

It is a junction number, because it is equal to n+sod(n) for n = 324896 and 324905.

It is a congruent number.

It is an unprimeable number.

324928 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2475 + ... + 2602.

2³²⁴⁹²⁸ is an apocalyptic number.

It is an amenable number.

324928 is a deficient number, since it is larger than the sum of its proper divisors (319978).

324928 is an equidigital number, since it uses as much as digits as its factorization.

324928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5089 (or 5079 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 324928 is about 570.0245608744. The cubic root of 324928 is about 68.7483658014.

Subtracting from 324928 its sum of digits (28), we obtain a square (324900 = 570²).

The spelling of 324928 in words is "three hundred twenty-four thousand, nine hundred twenty-eight".