634000636 has 6 divisors (see below), whose sum is σ = 1109501120. Its totient is φ = 317000316.

The previous prime is 634000621. The next prime is 634000673. The reversal of 634000636 is 636000436.

634000636 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 an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79250076 + ... + 79250083.

Almost surely, 2^634000636 is an apocalyptic number.

It is an amenable number.

634000636 is a deficient number, since it is larger than the sum of its proper divisors (475500484).

634000636 is a wasteful number, since it uses less digits than its factorization.

634000636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158500163 (or 158500161 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 634000636 is about 25179.3692534186. The cubic root of 634000636 is about 859.0726600425.

The spelling of 634000636 in words is "six hundred thirty-four million, six hundred thirty-six", and thus it is an aban number.