304399499 has 2 divisors, whose sum is σ = 304399500. Its totient is φ = 304399498.

The previous prime is 304399493. The next prime is 304399517. The reversal of 304399499 is 994993403.

It is a weak prime.

It is an emirp because it is prime and its reverse (994993403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 304399499 - 2²⁸ = 35964043 is a prime.

It is not a weakly prime, because it can be changed into another prime (304399493) 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 as a sum of consecutive naturals, namely, 152199749 + 152199750.

It is an arithmetic number, because the mean of its divisors is an integer number (152199750).

Almost surely, 2^304399499 is an apocalyptic number.

304399499 is a deficient number, since it is larger than the sum of its proper divisors (1).

304399499 is an equidigital number, since it uses as much as digits as its factorization.

304399499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 944784, while the sum is 50.

The square root of 304399499 is about 17447.0484323280. The cubic root of 304399499 is about 672.6894931796.

The spelling of 304399499 in words is "three hundred four million, three hundred ninety-nine thousand, four hundred ninety-nine".