630134608 has 20 divisors (see below), whose sum is σ = 1223942868. Its totient is φ = 314278400.

The previous prime is 630134567. The next prime is 630134623. The reversal of 630134608 is 806431036.

It can be written as a sum of positive squares in 2 ways, for example, as 549996304 + 80138304 = 23452^2 + 8952^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 630134608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42691 + ... + 55522.

Almost surely, 2^630134608 is an apocalyptic number.

It is an amenable number.

630134608 is a deficient number, since it is larger than the sum of its proper divisors (593808260).

630134608 is a wasteful number, since it uses less digits than its factorization.

630134608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98622 (or 98616 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 630134608 is about 25102.4821083494. The cubic root of 630134608 is about 857.3229390730.

The spelling of 630134608 in words is "six hundred thirty million, one hundred thirty-four thousand, six hundred eight".