243488361 has 16 divisors (see below), whose sum is σ = 329779520. Its totient is φ = 159770880.

The previous prime is 243488261. The next prime is 243488369. The reversal of 243488361 is 163884342.

It is a happy number.

243488361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-243488361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243488369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150525 + ... + 152133.

It is an arithmetic number, because the mean of its divisors is an integer number (20611220).

Almost surely, 2^243488361 is an apocalyptic number.

It is an amenable number.

243488361 is a deficient number, since it is larger than the sum of its proper divisors (86291159).

243488361 is a wasteful number, since it uses less digits than its factorization.

243488361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376.

The product of its digits is 110592, while the sum is 39.

The square root of 243488361 is about 15604.1135922551. The cubic root of 243488361 is about 624.4429049664.

The spelling of 243488361 in words is "two hundred forty-three million, four hundred eighty-eight thousand, three hundred sixty-one".