304804649 has 2 divisors, whose sum is σ = 304804650. Its totient is φ = 304804648.

The previous prime is 304804637. The next prime is 304804727. The reversal of 304804649 is 946408403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201640000 + 103164649 = 14200^2 + 10157^2 .

It is a cyclic number.

It is not a de Polignac number, because 304804649 - 2⁸ = 304804393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (304804249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152402324 + 152402325.

It is an arithmetic number, because the mean of its divisors is an integer number (152402325).

Almost surely, 2^304804649 is an apocalyptic number.

It is an amenable number.

304804649 is a deficient number, since it is larger than the sum of its proper divisors (1).

304804649 is an equidigital number, since it uses as much as digits as its factorization.

304804649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 304804649 is about 17458.6554178722. The cubic root of 304804649 is about 672.9878065509.

The spelling of 304804649 in words is "three hundred four million, eight hundred four thousand, six hundred forty-nine".