243084 has 24 divisors (see below), whose sum is σ = 580608. Its totient is φ = 79120.

The previous prime is 243077. The next prime is 243091. The reversal of 243084 is 480342.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (243077) and next prime (243091).

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 243084.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 243084.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349 + ... + 779.

It is an arithmetic number, because the mean of its divisors is an integer number (24192).

2²⁴³⁰⁸⁴ is an apocalyptic number.

It is an amenable number.

243084 is an abundant number, since it is smaller than the sum of its proper divisors (337524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243084 is a wasteful number, since it uses less digits than its factorization.

243084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 243084 is about 493.0354956796. The cubic root of 243084 is about 62.4097042764.

It can be divided in two parts, 2 and 43084, that multiplied together give a palindrome (86168).

The spelling of 243084 in words is "two hundred forty-three thousand, eighty-four".