304880369 has 2 divisors, whose sum is σ = 304880370. Its totient is φ = 304880368.

The previous prime is 304880357. The next prime is 304880371. The reversal of 304880369 is 963088403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 282912400 + 21967969 = 16820^2 + 4687^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-304880369 is a prime.

It is a super-2 number, since 2×304880369² = 185904078803152322, which contains 22 as substring.

Together with 304880371, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (304840369) 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, 152440184 + 152440185.

It is an arithmetic number, because the mean of its divisors is an integer number (152440185).

Almost surely, 2^304880369 is an apocalyptic number.

It is an amenable number.

304880369 is a deficient number, since it is larger than the sum of its proper divisors (1).

304880369 is an equidigital number, since it uses as much as digits as its factorization.

304880369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 304880369 is about 17460.8238350887. The cubic root of 304880369 is about 673.0435301296.

The spelling of 304880369 in words is "three hundred four million, eight hundred eighty thousand, three hundred sixty-nine".