243922432 has 60 divisors (see below), whose sum is σ = 527929380. Its totient is φ = 112539648.

The previous prime is 243922421. The next prime is 243922447. The reversal of 243922432 is 234229342.

It is a junction number, because it is equal to n+sod(n) for n = 243922394 and 243922403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85119 + ... + 87937.

It is an arithmetic number, because the mean of its divisors is an integer number (8798823).

Almost surely, 2^243922432 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 243922432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263964690).

243922432 is an abundant number, since it is smaller than the sum of its proper divisors (284006948).

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

243922432 is an equidigital number, since it uses as much as digits as its factorization.

243922432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863 (or 2834 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 243922432 is about 15618.0162632775. The cubic root of 243922432 is about 624.8137531449.

The spelling of 243922432 in words is "two hundred forty-three million, nine hundred twenty-two thousand, four hundred thirty-two".