636106 has 16 divisors (see below), whose sum is σ = 1032264. Its totient is φ = 292864.

The previous prime is 636073. The next prime is 636107. The reversal of 636106 is 601636.

636106 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 4 ways, for example, as 616225 + 19881 = 785^2 + 141^2 .

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (636107) by changing a digit.

636106 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1626 + ... + 1978.

2⁶³⁶¹⁰⁶ is an apocalyptic number.

636106 is a deficient number, since it is larger than the sum of its proper divisors (396158).

636106 is a wasteful number, since it uses less digits than its factorization.

636106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 636106 is about 797.5625367330. The cubic root of 636106 is about 86.0022534113.

The spelling of 636106 in words is "six hundred thirty-six thousand, one hundred six".