30304 has 12 divisors (see below), whose sum is σ = 59724. Its totient is φ = 15136.

The previous prime is 30293. The next prime is 30307. The reversal of 30304 is 40303.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30307) 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 as a sum of consecutive naturals, namely, 442 + ... + 505.

It is an arithmetic number, because the mean of its divisors is an integer number (4977).

2³⁰³⁰⁴ is an apocalyptic number.

It is an amenable number.

30304 is a deficient number, since it is larger than the sum of its proper divisors (29420).

30304 is an equidigital number, since it uses as much as digits as its factorization.

30304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957 (or 949 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 30304 is about 174.0804411759. The cubic root of 30304 is about 31.1769279350.

Adding to 30304 its reverse (40303), we get a palindrome (70607).

Subtracting 30304 from its reverse (40303), we obtain a palindrome (9999).

The spelling of 30304 in words is "thirty thousand, three hundred four".