304797312 has 48 divisors (see below), whose sum is σ = 877089330. Its totient is φ = 101598720.

The previous prime is 304797289. The next prime is 304797313. The reversal of 304797312 is 213797403.

It can be written as a sum of positive squares in only one way, i.e., 265559616 + 39237696 = 16296^2 + 6264^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (304797313) 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 5 ways as a sum of consecutive naturals, for example, 131139 + ... + 133442.

Almost surely, 2^304797312 is an apocalyptic number.

304797312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

304797312 is an abundant number, since it is smaller than the sum of its proper divisors (572292018).

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

304797312 is a wasteful number, since it uses less digits than its factorization.

304797312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264601 (or 264586 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 304797312 is about 17458.4452916060. The cubic root of 304797312 is about 672.9824066429.

Subtracting from 304797312 its reverse (213797403), we obtain a palindrome (90999909).

The spelling of 304797312 in words is "three hundred four million, seven hundred ninety-seven thousand, three hundred twelve".