304242404 has 12 divisors (see below), whose sum is σ = 563743404. Its totient is φ = 143172864.

The previous prime is 304242403. The next prime is 304242431. The reversal of 304242404 is 404242403.

It can be written as a sum of positive squares in 2 ways, for example, as 232501504 + 71740900 = 15248^2 + 8470^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 304242404.

It is not an unprimeable number, because it can be changed into a prime (304242403) 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 3 ways as a sum of consecutive naturals, for example, 2237009 + ... + 2237144.

It is an arithmetic number, because the mean of its divisors is an integer number (46978617).

Almost surely, 2^304242404 is an apocalyptic number.

304242404 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

304242404 is a deficient number, since it is larger than the sum of its proper divisors (259501000).

304242404 is a wasteful number, since it uses less digits than its factorization.

304242404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4474174 (or 4474172 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 304242404 is about 17442.5458004272. The cubic root of 304242404 is about 672.5737523624.

Adding to 304242404 its reverse (404242403), we get a palindrome (708484807).

Subtracting 304242404 from its reverse (404242403), we obtain a palindrome (99999999).

The spelling of 304242404 in words is "three hundred four million, two hundred forty-two thousand, four hundred four".