634194680 has 64 divisors (see below), whose sum is σ = 1632960000. Its totient is φ = 217148544.

The previous prime is 634194677. The next prime is 634194739. The reversal of 634194680 is 86491436.

634194680 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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390911 + ... + 392529.

It is an arithmetic number, because the mean of its divisors is an integer number (25515000).

Almost surely, 2^634194680 is an apocalyptic number.

It is an amenable number.

634194680 is an abundant number, since it is smaller than the sum of its proper divisors (998765320).

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

634194680 is a wasteful number, since it uses less digits than its factorization.

634194680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3036 (or 3032 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 634194680 is about 25183.2221925630. Note that the first 3 decimals coincide. The cubic root of 634194680 is about 859.1602944927.

The spelling of 634194680 in words is "six hundred thirty-four million, one hundred ninety-four thousand, six hundred eighty".