304066439 has 2 divisors, whose sum is σ = 304066440. Its totient is φ = 304066438.

The previous prime is 304066409. The next prime is 304066457. The reversal of 304066439 is 934660403.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 304066439 - 2⁸ = 304066183 is a prime.

It is a super-2 number, since 2×304066439² = 184912798652281442, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 304066399 and 304066408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304066409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152033219 + 152033220.

It is an arithmetic number, because the mean of its divisors is an integer number (152033220).

Almost surely, 2^304066439 is an apocalyptic number.

304066439 is a deficient number, since it is larger than the sum of its proper divisors (1).

304066439 is an equidigital number, since it uses as much as digits as its factorization.

304066439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 304066439 is about 17437.5009390681. The cubic root of 304066439 is about 672.4440616260. Note that the first 3 decimals are identical.

The spelling of 304066439 in words is "three hundred four million, sixty-six thousand, four hundred thirty-nine".