634383736 has 16 divisors (see below), whose sum is σ = 1359393840. Its totient is φ = 271878720.

The previous prime is 634383733. The next prime is 634383749. The reversal of 634383736 is 637383436.

It is a junction number, because it is equal to n+sod(n) for n = 634383692 and 634383701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634383733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5664085 + ... + 5664196.

It is an arithmetic number, because the mean of its divisors is an integer number (84962115).

Almost surely, 2^634383736 is an apocalyptic number.

It is an amenable number.

634383736 is an abundant number, since it is smaller than the sum of its proper divisors (725010104).

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

634383736 is a wasteful number, since it uses less digits than its factorization.

634383736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11328294 (or 11328290 counting only the distinct ones).

The product of its digits is 653184, while the sum is 43.

The square root of 634383736 is about 25186.9755230754. The cubic root of 634383736 is about 859.2456590640.

The spelling of 634383736 in words is "six hundred thirty-four million, three hundred eighty-three thousand, seven hundred thirty-six".