196636 has 24 divisors (see below), whose sum is σ = 388080. Its totient is φ = 86400.

The previous prime is 196613. The next prime is 196643. The reversal of 196636 is 636691.

196636 = T₁₇₅ + T₁₇₆ + ... + T₁₈₆.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 196598 and 196607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1750 + ... + 1858.

It is an arithmetic number, because the mean of its divisors is an integer number (16170).

2¹⁹⁶⁶³⁶ is an apocalyptic number.

It is an amenable number.

196636 is a deficient number, since it is larger than the sum of its proper divisors (191444).

196636 is a wasteful number, since it uses less digits than its factorization.

196636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 163 counting only the distinct ones).

The product of its digits is 5832, while the sum is 31.

The square root of 196636 is about 443.4365794564. The cubic root of 196636 is about 58.1506192224.

It can be divided in two parts, 1966 and 36, that added together give a palindrome (2002).

The spelling of 196636 in words is "one hundred ninety-six thousand, six hundred thirty-six".