304402093 has 2 divisors, whose sum is σ = 304402094. Its totient is φ = 304402092.

The previous prime is 304402061. The next prime is 304402099. The reversal of 304402093 is 390204403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226291849 + 78110244 = 15043^2 + 8838^2 .

It is a cyclic number.

It is not a de Polignac number, because 304402093 - 2⁵ = 304402061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304402099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152201046 + 152201047.

It is an arithmetic number, because the mean of its divisors is an integer number (152201047).

Almost surely, 2^304402093 is an apocalyptic number.

It is an amenable number.

304402093 is a deficient number, since it is larger than the sum of its proper divisors (1).

304402093 is an equidigital number, since it uses as much as digits as its factorization.

304402093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 304402093 is about 17447.1227713913. The cubic root of 304402093 is about 672.6914039927.

Adding to 304402093 its reverse (390204403), we get a palindrome (694606496).

The spelling of 304402093 in words is "three hundred four million, four hundred two thousand, ninety-three".