304412393 has 2 divisors, whose sum is σ = 304412394. Its totient is φ = 304412392.

The previous prime is 304412369. The next prime is 304412419. The reversal of 304412393 is 393214403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158558464 + 145853929 = 12592^2 + 12077^2 .

It is a cyclic number.

It is not a de Polignac number, because 304412393 - 2⁸ = 304412137 is a prime.

It is not a weakly prime, because it can be changed into another prime (304412293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152206196 + 152206197.

It is an arithmetic number, because the mean of its divisors is an integer number (152206197).

Almost surely, 2^304412393 is an apocalyptic number.

It is an amenable number.

304412393 is a deficient number, since it is larger than the sum of its proper divisors (1).

304412393 is an equidigital number, since it uses as much as digits as its factorization.

304412393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 304412393 is about 17447.4179465043. The cubic root of 304412393 is about 672.6989911540.

Adding to 304412393 its reverse (393214403), we get a palindrome (697626796).

The spelling of 304412393 in words is "three hundred four million, four hundred twelve thousand, three hundred ninety-three".