695986 has 4 divisors (see below), whose sum is σ = 1043982. Its totient is φ = 347992.

The previous prime is 695939. The next prime is 695999. The reversal of 695986 is 689596.

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

It can be written as a sum of positive squares in only one way, i.e., 648025 + 47961 = 805^2 + 219^2 .

It is an unprimeable number.

695986 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, 173995 + ... + 173998.

2⁶⁹⁵⁹⁸⁶ is an apocalyptic number.

695986 is a deficient number, since it is larger than the sum of its proper divisors (347996).

695986 is a wasteful number, since it uses less digits than its factorization.

695986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347995.

The product of its digits is 116640, while the sum is 43.

The square root of 695986 is about 834.2577539346. The cubic root of 695986 is about 88.6203582281.

It can be divided in two parts, 695 and 986, that added together give a square (1681 = 41²).

The spelling of 695986 in words is "six hundred ninety-five thousand, nine hundred eighty-six".