5986 has 8 divisors (see below), whose sum is σ = 9324. Its totient is φ = 2880.

The previous prime is 5981. The next prime is 5987. The reversal of 5986 is 6895.

It can be written as a sum of positive squares in 2 ways, for example, as 5625 + 361 = 75^2 + 19^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

5986 is an undulating number in base 9.

It is a plaindrome in base 12 and base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5981) 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 3 ways as a sum of consecutive naturals, for example, 46 + ... + 118.

2⁵⁹⁸⁶ is an apocalyptic number.

5986 is a deficient number, since it is larger than the sum of its proper divisors (3338).

5986 is a wasteful number, since it uses less digits than its factorization.

5986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116.

The product of its digits is 2160, while the sum is 28.

The square root of 5986 is about 77.3692445355. The cubic root of 5986 is about 18.1570617614.

Subtracting 5986 from its reverse (6895), we obtain a palindrome (909).

The spelling of 5986 in words is "five thousand, nine hundred eighty-six".