118486 has 4 divisors (see below), whose sum is σ = 177732. Its totient is φ = 59242.

The previous prime is 118471. The next prime is 118493. The reversal of 118486 is 684811.

118486 is nontrivially palindromic in base 13.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 684811 = 17 ⋅40283.

It is a congruent number.

It is an unprimeable number.

118486 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29620 + ... + 29623.

It is an arithmetic number, because the mean of its divisors is an integer number (44433).

2¹¹⁸⁴⁸⁶ is an apocalyptic number.

118486 is a deficient number, since it is larger than the sum of its proper divisors (59246).

118486 is an equidigital number, since it uses as much as digits as its factorization.

118486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59245.

The product of its digits is 1536, while the sum is 28.

The square root of 118486 is about 344.2179542092. The cubic root of 118486 is about 49.1159270992.

The spelling of 118486 in words is "one hundred eighteen thousand, four hundred eighty-six".