304328 has 16 divisors (see below), whose sum is σ = 577500. Its totient is φ = 150336.

The previous prime is 304303. The next prime is 304331. The reversal of 304328 is 823403.

It can be written as a sum of positive squares in 2 ways, for example, as 289444 + 14884 = 538^2 + 122^2 .

It is an unprimeable number.

304328 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 698 + ... + 1046.

2³⁰⁴³²⁸ is an apocalyptic number.

It is an amenable number.

304328 is a deficient number, since it is larger than the sum of its proper divisors (273172).

304328 is a wasteful number, since it uses less digits than its factorization.

304328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 304328 is about 551.6593151575. The cubic root of 304328 is about 67.2636820740.

The spelling of 304328 in words is "three hundred four thousand, three hundred twenty-eight".