634682306 has 4 divisors (see below), whose sum is σ = 952023462. Its totient is φ = 317341152.

The previous prime is 634682299. The next prime is 634682311. The reversal of 634682306 is 603286436.

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

It can be written as a sum of positive squares in only one way, i.e., 622951681 + 11730625 = 24959^2 + 3425^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 634682306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158670575 + ... + 158670578.

Almost surely, 2^634682306 is an apocalyptic number.

634682306 is a deficient number, since it is larger than the sum of its proper divisors (317341156).

634682306 is a wasteful number, since it uses less digits than its factorization.

634682306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317341155.

The product of its (nonzero) digits is 124416, while the sum is 38.

The square root of 634682306 is about 25192.9018971614. The cubic root of 634682306 is about 859.3804380236.

The spelling of 634682306 in words is "six hundred thirty-four million, six hundred eighty-two thousand, three hundred six".