634685848 has 16 divisors (see below), whose sum is σ = 1217711880. Its totient is φ = 309962688.

The previous prime is 634685839. The next prime is 634685873. The reversal of 634685848 is 848586436.

It is a super-2 number, since 2×634685848² = 805652251302958208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 634685795 and 634685804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 922165 + ... + 922852.

Almost surely, 2^634685848 is an apocalyptic number.

It is an amenable number.

634685848 is a deficient number, since it is larger than the sum of its proper divisors (583026032).

634685848 is a wasteful number, since it uses less digits than its factorization.

634685848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845066 (or 1845062 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 52.

The square root of 634685848 is about 25192.9721946419. The cubic root of 634685848 is about 859.3820366816.

The spelling of 634685848 in words is "six hundred thirty-four million, six hundred eighty-five thousand, eight hundred forty-eight".