634116608 has 20 divisors (see below), whose sum is σ = 1266995730. Its totient is φ = 317058048.

The previous prime is 634116607. The next prime is 634116641. The reversal of 634116608 is 806611436.

It can be written as a sum of positive squares in only one way, i.e., 563017984 + 71098624 = 23728^2 + 8432^2 .

It is not an unprimeable number, because it can be changed into a prime (634116607) 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, 618743 + ... + 619766.

Almost surely, 2^634116608 is an apocalyptic number.

It is an amenable number.

634116608 is a deficient number, since it is larger than the sum of its proper divisors (632879122).

634116608 is an equidigital number, since it uses as much as digits as its factorization.

634116608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238527 (or 1238511 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 634116608 is about 25181.6720652144. The cubic root of 634116608 is about 859.1250376453.

The spelling of 634116608 in words is "six hundred thirty-four million, one hundred sixteen thousand, six hundred eight".