243116432 has 20 divisors (see below), whose sum is σ = 507272220. Its totient is φ = 112207488.

The previous prime is 243116431. The next prime is 243116437. The reversal of 243116432 is 234611342.

It can be written as a sum of positive squares in 2 ways, for example, as 14622976 + 228493456 = 3824^2 + 15116^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (243116431) 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, 584207 + ... + 584622.

It is an arithmetic number, because the mean of its divisors is an integer number (25363611).

Almost surely, 2^243116432 is an apocalyptic number.

It is an amenable number.

243116432 is an abundant number, since it is smaller than the sum of its proper divisors (264155788).

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

243116432 is a wasteful number, since it uses less digits than its factorization.

243116432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168850 (or 1168844 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 243116432 is about 15592.1913790205. The cubic root of 243116432 is about 624.1247969769.

Adding to 243116432 its reverse (234611342), we get a palindrome (477727774).

The spelling of 243116432 in words is "two hundred forty-three million, one hundred sixteen thousand, four hundred thirty-two".