304268399 has 2 divisors, whose sum is σ = 304268400. Its totient is φ = 304268398.

The previous prime is 304268383. The next prime is 304268411. The reversal of 304268399 is 993862403.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 304268399 - 2⁴ = 304268383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304268309) 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 as a sum of consecutive naturals, namely, 152134199 + 152134200.

It is an arithmetic number, because the mean of its divisors is an integer number (152134200).

Almost surely, 2^304268399 is an apocalyptic number.

304268399 is a deficient number, since it is larger than the sum of its proper divisors (1).

304268399 is an equidigital number, since it uses as much as digits as its factorization.

304268399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 304268399 is about 17443.2909452316. The cubic root of 304268399 is about 672.5929071072.

The spelling of 304268399 in words is "three hundred four million, two hundred sixty-eight thousand, three hundred ninety-nine".