634349192 has 8 divisors (see below), whose sum is σ = 1189404750. Its totient is φ = 317174592.

The previous prime is 634349189. The next prime is 634349197. The reversal of 634349192 is 291943436.

634349192 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 608806276 + 25542916 = 24674^2 + 5054^2 .

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

It is not an unprimeable number, because it can be changed into a prime (634349197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39646817 + ... + 39646832.

Almost surely, 2^634349192 is an apocalyptic number.

It is an amenable number.

634349192 is a deficient number, since it is larger than the sum of its proper divisors (555055558).

634349192 is a wasteful number, since it uses less digits than its factorization.

634349192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79293655 (or 79293651 counting only the distinct ones).

The product of its digits is 139968, while the sum is 41.

The square root of 634349192 is about 25186.2897624878. The cubic root of 634349192 is about 859.2300626570.

The spelling of 634349192 in words is "six hundred thirty-four million, three hundred forty-nine thousand, one hundred ninety-two".