243248260 has 24 divisors (see below), whose sum is σ = 537707520. Its totient is φ = 92178144.

The previous prime is 243248237. The next prime is 243248261. The reversal of 243248260 is 62842342.

It is not an unprimeable number, because it can be changed into a prime (243248261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319684 + ... + 320443.

It is an arithmetic number, because the mean of its divisors is an integer number (22404480).

Almost surely, 2^243248260 is an apocalyptic number.

243248260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243248260 is an abundant number, since it is smaller than the sum of its proper divisors (294459260).

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

243248260 is a wasteful number, since it uses less digits than its factorization.

243248260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640155 (or 640153 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 243248260 is about 15596.4181785434. The cubic root of 243248260 is about 624.2375855369.

The spelling of 243248260 in words is "two hundred forty-three million, two hundred forty-eight thousand, two hundred sixty".