304108397 has 2 divisors, whose sum is σ = 304108398. Its totient is φ = 304108396.

The previous prime is 304108381. The next prime is 304108403. The reversal of 304108397 is 793801403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222278281 + 81830116 = 14909^2 + 9046^2 .

It is a cyclic number.

It is not a de Polignac number, because 304108397 - 2⁴ = 304108381 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304108097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152054198 + 152054199.

It is an arithmetic number, because the mean of its divisors is an integer number (152054199).

Almost surely, 2^304108397 is an apocalyptic number.

It is an amenable number.

304108397 is a deficient number, since it is larger than the sum of its proper divisors (1).

304108397 is an equidigital number, since it uses as much as digits as its factorization.

304108397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 304108397 is about 17438.7039942766. The cubic root of 304108397 is about 672.4749902945.

The spelling of 304108397 in words is "three hundred four million, one hundred eight thousand, three hundred ninety-seven".