304304 has 80 divisors (see below), whose sum is σ = 833280. Its totient is φ = 103680.

The previous prime is 304303. The next prime is 304331. The reversal of 304304 is 403403.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (304301) 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 15 ways as a sum of consecutive naturals, for example, 16007 + ... + 16025.

It is an arithmetic number, because the mean of its divisors is an integer number (10416).

2³⁰⁴³⁰⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416640).

304304 is an abundant number, since it is smaller than the sum of its proper divisors (528976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304304 is a wasteful number, since it uses less digits than its factorization.

304304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 304304 is about 551.6375621728. The cubic root of 304304 is about 67.2619138384.

304304 divided by its sum of digits (14) gives a triangular number (21736 = T₂₀₈).

Adding to 304304 its reverse (403403), we get a palindrome (707707).

Subtracting 304304 from its reverse (403403), we obtain a palindrome (99099).

It can be divided in two parts, 30 and 4304, that added together give a palindrome (4334).

The spelling of 304304 in words is "three hundred four thousand, three hundred four", and thus it is an iban number.