100636 has 12 divisors (see below), whose sum is σ = 178360. Its totient is φ = 49680.

The previous prime is 100621. The next prime is 100649. The reversal of 100636 is 636001.

It is a happy number.

100636 is nontrivially palindromic in base 3, base 12 and base 13.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466 + ... + 646.

2¹⁰⁰⁶³⁶ is an apocalyptic number.

It is an amenable number.

100636 is a deficient number, since it is larger than the sum of its proper divisors (77724).

100636 is a wasteful number, since it uses less digits than its factorization.

100636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 100636 is about 317.2317764664. The cubic root of 100636 is about 46.5140821418.

Adding to 100636 its reverse (636001), we get a palindrome (736637).

It can be divided in two parts, 10063 and 6, that multiplied together give a triangular number (60378 = T₃₄₇).

The spelling of 100636 in words is "one hundred thousand, six hundred thirty-six".