634304329 has 2 divisors, whose sum is σ = 634304330. Its totient is φ = 634304328.

The previous prime is 634304263. The next prime is 634304347. The reversal of 634304329 is 923403436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 358079929 + 276224400 = 18923^2 + 16620^2 .

It is a cyclic number.

It is not a de Polignac number, because 634304329 - 2¹⁹ = 633780041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 634304294 and 634304303.

It is not a weakly prime, because it can be changed into another prime (634304389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317152164 + 317152165.

It is an arithmetic number, because the mean of its divisors is an integer number (317152165).

Almost surely, 2^634304329 is an apocalyptic number.

It is an amenable number.

634304329 is a deficient number, since it is larger than the sum of its proper divisors (1).

634304329 is an equidigital number, since it uses as much as digits as its factorization.

634304329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 34.

The square root of 634304329 is about 25185.3991233016. The cubic root of 634304329 is about 859.2098064387.

The spelling of 634304329 in words is "six hundred thirty-four million, three hundred four thousand, three hundred twenty-nine".