328424 has 16 divisors (see below), whose sum is σ = 626820. Its totient is φ = 161280.

The previous prime is 328421. The next prime is 328429. The reversal of 328424 is 424823.

It can be written as a sum of positive squares in 2 ways, for example, as 280900 + 47524 = 530^2 + 218^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 328424.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 328424.

It is not an unprimeable number, because it can be changed into a prime (328421) 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 3 ways as a sum of consecutive naturals, for example, 152 + ... + 824.

2³²⁸⁴²⁴ is an apocalyptic number.

It is an amenable number.

328424 is a deficient number, since it is larger than the sum of its proper divisors (298396).

328424 is a wasteful number, since it uses less digits than its factorization.

328424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740 (or 736 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 328424 is about 573.0828910376. The cubic root of 328424 is about 68.9940483559.

The spelling of 328424 in words is "three hundred twenty-eight thousand, four hundred twenty-four".