675986 has 8 divisors (see below), whose sum is σ = 1046784. Its totient is φ = 327060.

The previous prime is 675979. The next prime is 676007. The reversal of 675986 is 689576.

It is a happy number.

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

It is an unprimeable number.

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, 5390 + ... + 5513.

It is an arithmetic number, because the mean of its divisors is an integer number (130848).

2⁶⁷⁵⁹⁸⁶ is an apocalyptic number.

675986 is a deficient number, since it is larger than the sum of its proper divisors (370798).

675986 is a wasteful number, since it uses less digits than its factorization.

675986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10936.

The product of its digits is 90720, while the sum is 41.

The square root of 675986 is about 822.1836777752. The cubic root of 675986 is about 87.7632236844.

It can be divided in two parts, 675 and 986, that added together give a palindrome (1661).

The spelling of 675986 in words is "six hundred seventy-five thousand, nine hundred eighty-six".