695439 has 16 divisors (see below), whose sum is σ = 1056000. Its totient is φ = 452088.

The previous prime is 695411. The next prime is 695441. The reversal of 695439 is 934596.

It is not a de Polignac number, because 695439 - 2⁵ = 695407 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 695439.

It is not an unprimeable number, because it can be changed into a prime (695239) 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 15 ways as a sum of consecutive naturals, for example, 862 + ... + 1460.

It is an arithmetic number, because the mean of its divisors is an integer number (66000).

2⁶⁹⁵⁴³⁹ is an apocalyptic number.

695439 is a deficient number, since it is larger than the sum of its proper divisors (360561).

695439 is a wasteful number, since it uses less digits than its factorization.

695439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 645 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 695439 is about 833.9298531651. The cubic root of 695439 is about 88.5971355191.

The spelling of 695439 in words is "six hundred ninety-five thousand, four hundred thirty-nine".