5979 has 4 divisors (see below), whose sum is σ = 7976. Its totient is φ = 3984.

The previous prime is 5953. The next prime is 5981. The reversal of 5979 is 9795.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5979 - 2⁷ = 5851 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 994 + ... + 999.

It is an arithmetic number, because the mean of its divisors is an integer number (1994).

5979 is a deficient number, since it is larger than the sum of its proper divisors (1997).

5979 is a wasteful number, since it uses less digits than its factorization.

5979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996.

The product of its digits is 2835, while the sum is 30.

The square root of 5979 is about 77.3239936889. The cubic root of 5979 is about 18.1499814068.

It can be divided in two parts, 597 and 9, that added together give a palindrome (606).

The spelling of 5979 in words is "five thousand, nine hundred seventy-nine".