243880875 has 192 divisors, whose sum is σ = 552394752. Its totient is φ = 104976000.

The previous prime is 243880873. The next prime is 243880883. The reversal of 243880875 is 578088342.

It is not a de Polignac number, because 243880875 - 2¹ = 243880873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 243880875.

It is not an unprimeable number, because it can be changed into a prime (243880873) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6591357 + ... + 6591393.

It is an arithmetic number, because the mean of its divisors is an integer number (2877056).

Almost surely, 2^243880875 is an apocalyptic number.

243880875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

243880875 is an abundant number, since it is smaller than the sum of its proper divisors (308513877).

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

243880875 is an equidigital number, since it uses as much as digits as its factorization.

243880875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 243880875 is about 15616.6857879641. The cubic root of 243880875 is about 624.7782680118.

The spelling of 243880875 in words is "two hundred forty-three million, eight hundred eighty thousand, eight hundred seventy-five".