43216132 has 12 divisors (see below), whose sum is σ = 77473116. Its totient is φ = 21080960.

The previous prime is 43216097. The next prime is 43216133. The reversal of 43216132 is 23161234.

It can be written as a sum of positive squares in 2 ways, for example, as 23270976 + 19945156 = 4824^2 + 4466^2 .

It is not an unprimeable number, because it can be changed into a prime (43216133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131593 + ... + 131920.

It is an arithmetic number, because the mean of its divisors is an integer number (6456093).

Almost surely, 2^43216132 is an apocalyptic number.

It is an amenable number.

43216132 is a deficient number, since it is larger than the sum of its proper divisors (34256984).

43216132 is a wasteful number, since it uses less digits than its factorization.

43216132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263558 (or 263556 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 43216132 is about 6573.8977783352. The cubic root of 43216132 is about 350.9257993113.

Adding to 43216132 its reverse (23161234), we get a palindrome (66377366).

The spelling of 43216132 in words is "forty-three million, two hundred sixteen thousand, one hundred thirty-two".