304308224 has 84 divisors (see below), whose sum is σ = 671113212. Its totient is φ = 137871360.

The previous prime is 304308217. The next prime is 304308227. The reversal of 304308224 is 422803403.

It is a junction number, because it is equal to n+sod(n) for n = 304308193 and 304308202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304308227) 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 5 ways as a sum of consecutive naturals, for example, 991079 + ... + 991385.

It is an arithmetic number, because the mean of its divisors is an integer number (7989443).

Almost surely, 2^304308224 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 304308224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335556606).

304308224 is an abundant number, since it is smaller than the sum of its proper divisors (366804988).

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

304308224 is an equidigital number, since it uses as much as digits as its factorization.

304308224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 304308224 is about 17444.4324642563. The cubic root of 304308224 is about 672.6222505466.

The spelling of 304308224 in words is "three hundred four million, three hundred eight thousand, two hundred twenty-four".