634606 has 8 divisors (see below), whose sum is σ = 1087920. Its totient is φ = 271968.

The previous prime is 634603. The next prime is 634609. The reversal of 634606 is 606436.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (634603) and next prime (634609).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22651 + ... + 22678.

It is an arithmetic number, because the mean of its divisors is an integer number (135990).

2⁶³⁴⁶⁰⁶ is an apocalyptic number.

634606 is a deficient number, since it is larger than the sum of its proper divisors (453314).

634606 is a wasteful number, since it uses less digits than its factorization.

634606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45338.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 634606 is about 796.6216165784. The cubic root of 634606 is about 85.9345996377.

The spelling of 634606 in words is "six hundred thirty-four thousand, six hundred six".