243608 has 16 divisors (see below), whose sum is σ = 469680. Its totient is φ = 118368.

The previous prime is 243589. The next prime is 243613. The reversal of 243608 is 806342.

It is a happy number.

It is an Ulam 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 243608.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 116 + ... + 707.

It is an arithmetic number, because the mean of its divisors is an integer number (29355).

2²⁴³⁶⁰⁸ is an apocalyptic number.

It is an amenable number.

243608 is a deficient number, since it is larger than the sum of its proper divisors (226072).

243608 is a wasteful number, since it uses less digits than its factorization.

243608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 243608 is about 493.5666115126. The cubic root of 243608 is about 62.4545162410.

The spelling of 243608 in words is "two hundred forty-three thousand, six hundred eight".