304728469 has 2 divisors, whose sum is σ = 304728470. Its totient is φ = 304728468.

The previous prime is 304728461. The next prime is 304728509. The reversal of 304728469 is 964827403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235622500 + 69105969 = 15350^2 + 8313^2 .

It is a cyclic number.

It is not a de Polignac number, because 304728469 - 2³ = 304728461 is a prime.

It is a super-2 number, since 2×304728469² = 185718879638167922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304728461) 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, 152364234 + 152364235.

It is an arithmetic number, because the mean of its divisors is an integer number (152364235).

Almost surely, 2^304728469 is an apocalyptic number.

It is an amenable number.

304728469 is a deficient number, since it is larger than the sum of its proper divisors (1).

304728469 is an equidigital number, since it uses as much as digits as its factorization.

304728469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 304728469 is about 17456.4735556756. The cubic root of 304728469 is about 672.9317351370.

The spelling of 304728469 in words is "three hundred four million, seven hundred twenty-eight thousand, four hundred sixty-nine".