243695 has 16 divisors (see below), whose sum is σ = 321408. Its totient is φ = 176640.

The previous prime is 243673. The next prime is 243701. The reversal of 243695 is 596342.

It is not a de Polignac number, because 243695 - 2⁶ = 243631 is a prime.

It is a Duffinian number.

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 243695.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3965 + ... + 4025.

It is an arithmetic number, because the mean of its divisors is an integer number (20088).

2²⁴³⁶⁹⁵ is an apocalyptic number.

243695 is a deficient number, since it is larger than the sum of its proper divisors (77713).

243695 is a wasteful number, since it uses less digits than its factorization.

243695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130.

The product of its digits is 6480, while the sum is 29.

The square root of 243695 is about 493.6547376457. The cubic root of 243695 is about 62.4619501734.

The spelling of 243695 in words is "two hundred forty-three thousand, six hundred ninety-five".