695649 has 8 divisors (see below), whose sum is σ = 931392. Its totient is φ = 461840.

The previous prime is 695641. The next prime is 695659. The reversal of 695649 is 946596.

695649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 695649 - 2³ = 695641 is a prime.

It is a super-3 number, since 3×695649³ = 1009931109457333347, which contains 333 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 695649.

It is not an unprimeable number, because it can be changed into a prime (695641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1132 + ... + 1634.

It is an arithmetic number, because the mean of its divisors is an integer number (116424).

2⁶⁹⁵⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

695649 is a deficient number, since it is larger than the sum of its proper divisors (235743).

695649 is a wasteful number, since it uses less digits than its factorization.

695649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967.

The product of its digits is 58320, while the sum is 39.

The square root of 695649 is about 834.0557535321. The cubic root of 695649 is about 88.6060524412.

Subtracting from 695649 its sum of digits (39), we obtain a triangular number (695610 = T₁₁₇₉).

The spelling of 695649 in words is "six hundred ninety-five thousand, six hundred forty-nine".