634231384 has 8 divisors (see below), whose sum is σ = 1189183860. Its totient is φ = 317115688.

The previous prime is 634231379. The next prime is 634231399. The reversal of 634231384 is 483132436.

634231384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39639454 + ... + 39639469.

Almost surely, 2^634231384 is an apocalyptic number.

It is an amenable number.

634231384 is a deficient number, since it is larger than the sum of its proper divisors (554952476).

634231384 is a wasteful number, since it uses less digits than its factorization.

634231384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79278929 (or 79278925 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 634231384 is about 25183.9509211720. The cubic root of 634231384 is about 859.1768687992.

The spelling of 634231384 in words is "six hundred thirty-four million, two hundred thirty-one thousand, three hundred eighty-four".