634706 has 4 divisors (see below), whose sum is σ = 952062. Its totient is φ = 317352.

The previous prime is 634703. The next prime is 634709. The reversal of 634706 is 607436.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (634703) and next prime (634709).

It can be written as a sum of positive squares in only one way, i.e., 625681 + 9025 = 791^2 + 95^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (634703) 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, 158675 + ... + 158678.

2⁶³⁴⁷⁰⁶ is an apocalyptic number.

634706 is a deficient number, since it is larger than the sum of its proper divisors (317356).

634706 is a wasteful number, since it uses less digits than its factorization.

634706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317355.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 634706 is about 796.6843791615. The cubic root of 634706 is about 85.9391132039.

The spelling of 634706 in words is "six hundred thirty-four thousand, seven hundred six".