634343 has 2 divisors, whose sum is σ = 634344. Its totient is φ = 634342.

The previous prime is 634331. The next prime is 634367. The reversal of 634343 is 343436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 634343 - 2⁴ = 634327 is a prime.

It is a d-powerful number, because it can be written as 6⁴ + 3 + 3⁹ + 4⁷ + 4⁸ + 3¹² .

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317171 + 317172.

It is an arithmetic number, because the mean of its divisors is an integer number (317172).

2⁶³⁴³⁴³ is an apocalyptic number.

634343 is a deficient number, since it is larger than the sum of its proper divisors (1).

634343 is an equidigital number, since it uses as much as digits as its factorization.

634343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 23.

The square root of 634343 is about 796.4565273761. The cubic root of 634343 is about 85.9227266947.

Adding to 634343 its reverse (343436), we get a palindrome (977779).

The spelling of 634343 in words is "six hundred thirty-four thousand, three hundred forty-three".