634244156 has 36 divisors (see below), whose sum is σ = 1373580432. Its totient is φ = 250907904.

The previous prime is 634244147. The next prime is 634244167. The reversal of 634244156 is 651442436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62285 + ... + 71748.

It is an arithmetic number, because the mean of its divisors is an integer number (38155012).

Almost surely, 2^634244156 is an apocalyptic number.

It is an amenable number.

634244156 is an abundant number, since it is smaller than the sum of its proper divisors (739336276).

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

634244156 is a wasteful number, since it uses less digits than its factorization.

634244156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134070 (or 134055 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 634244156 is about 25184.2044940872. The cubic root of 634244156 is about 859.1826360600.

The spelling of 634244156 in words is "six hundred thirty-four million, two hundred forty-four thousand, one hundred fifty-six".