634618230 has 16 divisors (see below), whose sum is σ = 1523083824. Its totient is φ = 169231520.

The previous prime is 634618157. The next prime is 634618241. The reversal of 634618230 is 32816436.

634618230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 634618191 and 634618200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10576941 + ... + 10577000.

It is an arithmetic number, because the mean of its divisors is an integer number (95192739).

Almost surely, 2^634618230 is an apocalyptic number.

634618230 is an abundant number, since it is smaller than the sum of its proper divisors (888465594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

634618230 is a wasteful number, since it uses less digits than its factorization.

634618230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21153951.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 634618230 is about 25191.6301576536. The cubic root of 634618230 is about 859.3515167225.

The spelling of 634618230 in words is "six hundred thirty-four million, six hundred eighteen thousand, two hundred thirty".