243446976 has 84 divisors (see below), whose sum is σ = 716718912. Its totient is φ = 78948864.

The previous prime is 243446969. The next prime is 243446977. The reversal of 243446976 is 679644342.

It is a happy number.

243446976 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243446977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15601 + ... + 27023.

It is an arithmetic number, because the mean of its divisors is an integer number (8532368).

Almost surely, 2^243446976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243446976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358359456).

243446976 is an abundant number, since it is smaller than the sum of its proper divisors (473271936).

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

243446976 is a wasteful number, since it uses less digits than its factorization.

243446976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11478 (or 11465 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 243446976 is about 15602.7874432744. The cubic root of 243446976 is about 624.4075247210.

The spelling of 243446976 in words is "two hundred forty-three million, four hundred forty-six thousand, nine hundred seventy-six".