118836 has 18 divisors (see below), whose sum is σ = 300482. Its totient is φ = 39600.

The previous prime is 118831. The next prime is 118843. The reversal of 118836 is 638811.

118836 = T₈₀ + T₈₁ + ... + T₁₀₆.

118836 is nontrivially palindromic in base 5.

It can be written as a sum of positive squares in only one way, i.e., 86436 + 32400 = 294^2 + 180^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118831) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1615 + ... + 1686.

2¹¹⁸⁸³⁶ is an apocalyptic number.

It is an amenable number.

118836 is an abundant number, since it is smaller than the sum of its proper divisors (181646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118836 is a wasteful number, since it uses less digits than its factorization.

118836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311 (or 3306 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 118836 is about 344.7259781334. The cubic root of 118836 is about 49.1642413180.

The spelling of 118836 in words is "one hundred eighteen thousand, eight hundred thirty-six".