243918948 has 96 divisors (see below), whose sum is σ = 719536384. Its totient is φ = 62581248.

The previous prime is 243918947. The next prime is 243918953. The reversal of 243918948 is 849819342.

It is a junction number, because it is equal to n+sod(n) for n = 243918897 and 243918906.

It is not an unprimeable number, because it can be changed into a prime (243918947) 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 31 ways as a sum of consecutive naturals, for example, 37386 + ... + 43422.

Almost surely, 2^243918948 is an apocalyptic number.

243918948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243918948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359768192).

243918948 is an abundant number, since it is smaller than the sum of its proper divisors (475617436).

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

243918948 is a wasteful number, since it uses less digits than its factorization.

243918948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6101 (or 6099 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The square root of 243918948 is about 15617.9047250263. The cubic root of 243918948 is about 624.8107783447.

The spelling of 243918948 in words is "two hundred forty-three million, nine hundred eighteen thousand, nine hundred forty-eight".