243892 has 24 divisors (see below), whose sum is σ = 487872. Its totient is φ = 105600.

The previous prime is 243889. The next prime is 243911. The reversal of 243892 is 298342.

243892 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 243892.

It is a congruent number.

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, 892 + ... + 1132.

It is an arithmetic number, because the mean of its divisors is an integer number (20328).

2²⁴³⁸⁹² is an apocalyptic number.

243892 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

243892 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a weird number, because it is abundant, but not a pseudoperfect number.

243892 is a wasteful number, since it uses less digits than its factorization.

243892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 277 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 243892 is about 493.8542295050. The cubic root of 243892 is about 62.4787767940.

It can be divided in two parts, 24 and 3892, that added together give a triangular number (3916 = T₈₈).

The spelling of 243892 in words is "two hundred forty-three thousand, eight hundred ninety-two".