304847 has 2 divisors, whose sum is σ = 304848. Its totient is φ = 304846.

The previous prime is 304831. The next prime is 304849. The reversal of 304847 is 748403.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 304847 - 2⁴ = 304831 is a prime.

Together with 304849, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304849) 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, 152423 + 152424.

It is an arithmetic number, because the mean of its divisors is an integer number (152424).

2³⁰⁴⁸⁴⁷ is an apocalyptic number.

304847 is a deficient number, since it is larger than the sum of its proper divisors (1).

304847 is an equidigital number, since it uses as much as digits as its factorization.

304847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 304847 is about 552.1295137918. The cubic root of 304847 is about 67.3018974477.

Subtracting 304847 from its reverse (748403), we obtain a square (443556 = 666²).

The spelling of 304847 in words is "three hundred four thousand, eight hundred forty-seven".