634792 has 8 divisors (see below), whose sum is σ = 1190250. Its totient is φ = 317392.

The previous prime is 634759. The next prime is 634793. The reversal of 634792 is 297436.

It can be written as a sum of positive squares in only one way, i.e., 630436 + 4356 = 794^2 + 66^2 .

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 (634793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39667 + ... + 39682.

2⁶³⁴⁷⁹² is an apocalyptic number.

It is an amenable number.

634792 is a deficient number, since it is larger than the sum of its proper divisors (555458).

634792 is a wasteful number, since it uses less digits than its factorization.

634792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79355 (or 79351 counting only the distinct ones).

The product of its digits is 9072, while the sum is 31.

The square root of 634792 is about 796.7383510287. The cubic root of 634792 is about 85.9429944917.

The spelling of 634792 in words is "six hundred thirty-four thousand, seven hundred ninety-two".