243682 has 12 divisors (see below), whose sum is σ = 379890. Its totient is φ = 117216.

The previous prime is 243673. The next prime is 243701. The reversal of 243682 is 286342.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 241081 + 2601 = 491^2 + 51^2 .

Its product of digits (2304) is a multiple of the sum of its prime divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2694 + ... + 2782.

2²⁴³⁶⁸² is an apocalyptic number.

243682 is a deficient number, since it is larger than the sum of its proper divisors (136208).

243682 is an equidigital number, since it uses as much as digits as its factorization.

243682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 128 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 243682 is about 493.6415703727. The cubic root of 243682 is about 62.4608394684.

The spelling of 243682 in words is "two hundred forty-three thousand, six hundred eighty-two".