304421230 has 32 divisors (see below), whose sum is σ = 578534400. Its totient is φ = 115012512.

The previous prime is 304421213. The next prime is 304421239. The reversal of 304421230 is 32124403.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 304421198 and 304421207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304421239) by changing a digit.

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, 65979 + ... + 70441.

It is an arithmetic number, because the mean of its divisors is an integer number (18079200).

Almost surely, 2^304421230 is an apocalyptic number.

304421230 is a deficient number, since it is larger than the sum of its proper divisors (274113170).

304421230 is a wasteful number, since it uses less digits than its factorization.

304421230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4848.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 304421230 is about 17447.6711913080. The cubic root of 304421230 is about 672.7055005073.

Adding to 304421230 its reverse (32124403), we get a palindrome (336545633).

The spelling of 304421230 in words is "three hundred four million, four hundred twenty-one thousand, two hundred thirty".