243836032 has 128 divisors (see below), whose sum is σ = 573713280. Its totient is φ = 101990400.

The previous prime is 243836029. The next prime is 243836039. The reversal of 243836032 is 230638342.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 243835985 and 243836003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243836039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1460013 + ... + 1460179.

It is an arithmetic number, because the mean of its divisors is an integer number (4482135).

Almost surely, 2^243836032 is an apocalyptic number.

243836032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243836032 is the 7808-th decagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243836032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286856640).

243836032 is an abundant number, since it is smaller than the sum of its proper divisors (329877248).

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

243836032 is a wasteful number, since it uses less digits than its factorization.

243836032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 258 counting only the distinct ones).

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

The square root of 243836032 is about 15615.2499819888. The cubic root of 243836032 is about 624.7399724721.

The spelling of 243836032 in words is "two hundred forty-three million, eight hundred thirty-six thousand, thirty-two".