6986 has 8 divisors (see below), whose sum is σ = 12000. Its totient is φ = 2988.

The previous prime is 6983. The next prime is 6991. The reversal of 6986 is 6896.

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

It is not an unprimeable number, because it can be changed into a prime (6983) 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, 236 + ... + 263.

It is an arithmetic number, because the mean of its divisors is an integer number (1500).

2⁶⁹⁸⁶ is an apocalyptic number.

6986 is a deficient number, since it is larger than the sum of its proper divisors (5014).

6986 is a wasteful number, since it uses less digits than its factorization.

6986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508.

The product of its digits is 2592, while the sum is 29.

The square root of 6986 is about 83.5822947759. The cubic root of 6986 is about 19.1165504418.

The spelling of 6986 in words is "six thousand, nine hundred eighty-six".