243927936 has 160 divisors (see below), whose sum is σ = 829876080. Its totient is φ = 69672960.

The previous prime is 243927923. The next prime is 243927989. The reversal of 243927936 is 639729342.

It is a super-2 number, since 2×243927936² = 119001675922440192, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 243927891 and 243927900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 70896 + ... + 74256.

Almost surely, 2^243927936 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 243927936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414938040).

243927936 is an abundant number, since it is smaller than the sum of its proper divisors (585948144).

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

243927936 is an equidigital number, since it uses as much as digits as its factorization.

243927936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394 (or 3373 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 243927936 is about 15618.1924690407. The cubic root of 243927936 is about 624.8184526567.

The spelling of 243927936 in words is "two hundred forty-three million, nine hundred twenty-seven thousand, nine hundred thirty-six".