634812948 has 216 divisors, whose sum is σ = 2044922880. Its totient is φ = 162518400.

The previous prime is 634812943. The next prime is 634812979. The reversal of 634812948 is 849218436.

It is a happy number.

634812948 is a `hidden beast` number, since 634 + 8 + 1 + 2 + 9 + 4 + 8 = 666.

634812948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634812943) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3323533 + ... + 3323723.

Almost surely, 2^634812948 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 634812948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1022461440).

634812948 is an abundant number, since it is smaller than the sum of its proper divisors (1410109932).

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

634812948 is a wasteful number, since it uses less digits than its factorization.

634812948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 323 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 634812948 is about 25195.4945972489. The cubic root of 634812948 is about 859.4393984808.

The spelling of 634812948 in words is "six hundred thirty-four million, eight hundred twelve thousand, nine hundred forty-eight".