634648084 has 12 divisors (see below), whose sum is σ = 1269296224. Its totient is φ = 271992024.

The previous prime is 634648037. The next prime is 634648103. The reversal of 634648084 is 480846436.

634648084 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 634648084.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11332974 + ... + 11333029.

Almost surely, 2^634648084 is an apocalyptic number.

It is an amenable number.

634648084 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

634648084 is a wasteful number, since it uses less digits than its factorization.

634648084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22666014 (or 22666012 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 43.

The square root of 634648084 is about 25192.2226887585. Note that the first 3 decimals coincide. The cubic root of 634648084 is about 859.3649918464.

The spelling of 634648084 in words is "six hundred thirty-four million, six hundred forty-eight thousand, eighty-four".