695690 has 16 divisors (see below), whose sum is σ = 1270728. Its totient is φ = 274176.

The previous prime is 695689. The next prime is 695701. The reversal of 695690 is 96596.

695690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 552049 + 143641 = 743^2 + 379^2 .

It is a super-2 number, since 2×695690² = 967969152200, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 695690.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254 + ... + 1206.

2⁶⁹⁵⁶⁹⁰ is an apocalyptic number.

695690 is a deficient number, since it is larger than the sum of its proper divisors (575038).

695690 is a wasteful number, since it uses less digits than its factorization.

695690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 695690 is about 834.0803318626. The cubic root of 695690 is about 88.6077931546.

The spelling of 695690 in words is "six hundred ninety-five thousand, six hundred ninety".