304303340 has 48 divisors (see below), whose sum is σ = 727453440. Its totient is φ = 105842880.

The previous prime is 304303309. The next prime is 304303357. The reversal of 304303340 is 43303403.

It is a happy number.

304303340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25010 + ... + 35129.

It is an arithmetic number, because the mean of its divisors is an integer number (15155280).

Almost surely, 2^304303340 is an apocalyptic number.

It is an amenable number.

304303340 is an abundant number, since it is smaller than the sum of its proper divisors (423150100).

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

304303340 is a wasteful number, since it uses less digits than its factorization.

304303340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60182 (or 60180 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 304303340 is about 17444.2924763374. The cubic root of 304303340 is about 672.6186521066.

Adding to 304303340 its reverse (43303403), we get a palindrome (347606743).

The spelling of 304303340 in words is "three hundred four million, three hundred three thousand, three hundred forty".