304438368 has 192 divisors, whose sum is σ = 933085440. Its totient is φ = 86095872.

The previous prime is 304438361. The next prime is 304438369. The reversal of 304438368 is 863834403.

304438368 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 (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304438361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 877171 + ... + 877517.

It is an arithmetic number, because the mean of its divisors is an integer number (4859820).

Almost surely, 2^304438368 is an apocalyptic number.

304438368 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304438368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466542720).

304438368 is an abundant number, since it is smaller than the sum of its proper divisors (628647072).

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

304438368 is a wasteful number, since it uses less digits than its factorization.

304438368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

The square root of 304438368 is about 17448.1623101116. The cubic root of 304438368 is about 672.7181240361.

The spelling of 304438368 in words is "three hundred four million, four hundred thirty-eight thousand, three hundred sixty-eight".