243432004 has 12 divisors (see below), whose sum is σ = 426433644. Its totient is φ = 121593824.

The previous prime is 243432001. The next prime is 243432017. The reversal of 243432004 is 400234342.

It can be written as a sum of positive squares in 2 ways, for example, as 30272004 + 213160000 = 5502^2 + 14600^2 .

It is not an unprimeable number, because it can be changed into a prime (243432001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25987 + ... + 34090.

It is an arithmetic number, because the mean of its divisors is an integer number (35536137).

Almost surely, 2^243432004 is an apocalyptic number.

It is an amenable number.

243432004 is a deficient number, since it is larger than the sum of its proper divisors (183001640).

243432004 is a wasteful number, since it uses less digits than its factorization.

243432004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61094 (or 61092 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 243432004 is about 15602.3076498318. The cubic root of 243432004 is about 624.3947240950.

Adding to 243432004 its reverse (400234342), we get a palindrome (643666346).

The spelling of 243432004 in words is "two hundred forty-three million, four hundred thirty-two thousand, four".