634268447 has 16 divisors (see below), whose sum is σ = 679768320. Its totient is φ = 590369472.

The previous prime is 634268441. The next prime is 634268471. The reversal of 634268447 is 744862436.

It is a cyclic number.

It is not a de Polignac number, because 634268447 - 2¹⁴ = 634252063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 634268398 and 634268407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634268441) 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 in 15 ways as a sum of consecutive naturals, for example, 302579 + ... + 304667.

It is an arithmetic number, because the mean of its divisors is an integer number (42485520).

Almost surely, 2^634268447 is an apocalyptic number.

634268447 is a deficient number, since it is larger than the sum of its proper divisors (45499873).

634268447 is a wasteful number, since it uses less digits than its factorization.

634268447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2462.

The product of its digits is 774144, while the sum is 44.

The square root of 634268447 is about 25184.6867560428. The cubic root of 634268447 is about 859.1936045694.

The spelling of 634268447 in words is "six hundred thirty-four million, two hundred sixty-eight thousand, four hundred forty-seven".