634388048 has 40 divisors (see below), whose sum is σ = 1487351232. Its totient is φ = 255886848.

The previous prime is 634388033. The next prime is 634388057. The reversal of 634388048 is 840883436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164690 + ... + 168497.

Almost surely, 2^634388048 is an apocalyptic number.

634388048 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

634388048 is an abundant number, since it is smaller than the sum of its proper divisors (852963184).

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

634388048 is a wasteful number, since it uses less digits than its factorization.

634388048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333219 (or 333213 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 44.

The square root of 634388048 is about 25187.0611227273. The cubic root of 634388048 is about 859.2476058662.

The spelling of 634388048 in words is "six hundred thirty-four million, three hundred eighty-eight thousand, forty-eight".