304849 has 2 divisors, whose sum is σ = 304850. Its totient is φ = 304848.

The previous prime is 304847. The next prime is 304867. The reversal of 304849 is 948403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294849 + 10000 = 543^2 + 100^2 .

It is an emirp because it is prime and its reverse (948403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 304849 - 2¹ = 304847 is a prime.

Together with 304847, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (304847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152424 + 152425.

It is an arithmetic number, because the mean of its divisors is an integer number (152425).

2³⁰⁴⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

304849 is a deficient number, since it is larger than the sum of its proper divisors (1).

304849 is an equidigital number, since it uses as much as digits as its factorization.

304849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 304849 is about 552.1313249581. The cubic root of 304849 is about 67.3020446292.

The spelling of 304849 in words is "three hundred four thousand, eight hundred forty-nine".