630639196 has 24 divisors (see below), whose sum is σ = 1210688640. Its totient is φ = 285049200.

The previous prime is 630639187. The next prime is 630639197. The reversal of 630639196 is 691936036.

630639196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630639197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32160 + ... + 47911.

It is an arithmetic number, because the mean of its divisors is an integer number (50445360).

Almost surely, 2^630639196 is an apocalyptic number.

It is an amenable number.

630639196 is a deficient number, since it is larger than the sum of its proper divisors (580049444).

630639196 is a wasteful number, since it uses less digits than its factorization.

630639196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80265 (or 80263 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 43.

The square root of 630639196 is about 25112.5306570246. The cubic root of 630639196 is about 857.5517152977.

The spelling of 630639196 in words is "six hundred thirty million, six hundred thirty-nine thousand, one hundred ninety-six".