243678048 has 24 divisors (see below), whose sum is σ = 639655128. Its totient is φ = 81225984.

The previous prime is 243678013. The next prime is 243678049. The reversal of 243678048 is 840876342.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243678049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1269061 + ... + 1269252.

It is an arithmetic number, because the mean of its divisors is an integer number (26652297).

Almost surely, 2^243678048 is an apocalyptic number.

It is an amenable number.

243678048 is an abundant number, since it is smaller than the sum of its proper divisors (395977080).

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

243678048 is a wasteful number, since it uses less digits than its factorization.

243678048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538326 (or 2538318 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 243678048 is about 15610.1905177355. The cubic root of 243678048 is about 624.6050180621.

The spelling of 243678048 in words is "two hundred forty-three million, six hundred seventy-eight thousand, forty-eight".