243481368 has 32 divisors (see below), whose sum is σ = 655527600. Its totient is φ = 74917248.

The previous prime is 243481363. The next prime is 243481369. The reversal of 243481368 is 863184342.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243481363) 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 7 ways as a sum of consecutive naturals, for example, 389883 + ... + 390506.

Almost surely, 2^243481368 is an apocalyptic number.

It is an amenable number.

243481368 is an abundant number, since it is smaller than the sum of its proper divisors (412046232).

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

243481368 is a wasteful number, since it uses less digits than its factorization.

243481368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780411 (or 780407 counting only the distinct ones).

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

The square root of 243481368 is about 15603.8895151177. The cubic root of 243481368 is about 624.4369268969.

The spelling of 243481368 in words is "two hundred forty-three million, four hundred eighty-one thousand, three hundred sixty-eight".