630412634 has 12 divisors (see below), whose sum is σ = 963806046. Its totient is φ = 309256272.

The previous prime is 630412631. The next prime is 630412661. The reversal of 630412634 is 436214036.

630412634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 593166025 + 37246609 = 24355^2 + 6103^2 .

It is a junction number, because it is equal to n+sod(n) for n = 630412597 and 630412606.

It is not an unprimeable number, because it can be changed into a prime (630412631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50489 + ... + 61724.

Almost surely, 2^630412634 is an apocalyptic number.

630412634 is a deficient number, since it is larger than the sum of its proper divisors (333393412).

630412634 is a wasteful number, since it uses less digits than its factorization.

630412634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112321 (or 112268 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 630412634 is about 25108.0193165451. The cubic root of 630412634 is about 857.4490089725.

The spelling of 630412634 in words is "six hundred thirty million, four hundred twelve thousand, six hundred thirty-four".