695691 has 12 divisors (see below), whose sum is σ = 1064232. Its totient is φ = 436416.

The previous prime is 695689. The next prime is 695701. The reversal of 695691 is 196596.

It is not a de Polignac number, because 695691 - 2¹ = 695689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (695621) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 2121 + ... + 2426.

It is an arithmetic number, because the mean of its divisors is an integer number (88686).

2⁶⁹⁵⁶⁹¹ is an apocalyptic number.

695691 is a deficient number, since it is larger than the sum of its proper divisors (368541).

695691 is a wasteful number, since it uses less digits than its factorization.

695691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4570 (or 4567 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 695691 is about 834.0809313250. The cubic root of 695691 is about 88.6078356102.

The spelling of 695691 in words is "six hundred ninety-five thousand, six hundred ninety-one".