43243316 has 12 divisors (see below), whose sum is σ = 79658880. Its totient is φ = 20483640.

The previous prime is 43243313. The next prime is 43243349. The reversal of 43243316 is 61334234.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43243313) 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, 284420 + ... + 284571.

It is an arithmetic number, because the mean of its divisors is an integer number (6638240).

Almost surely, 2^43243316 is an apocalyptic number.

It is an amenable number.

43243316 is a deficient number, since it is larger than the sum of its proper divisors (36415564).

43243316 is a wasteful number, since it uses less digits than its factorization.

43243316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569014 (or 569012 counting only the distinct ones).

The product of its digits is 5184, while the sum is 26.

The square root of 43243316 is about 6575.9650242379. The cubic root of 43243316 is about 350.9993641815. Note that the first 3 decimals are identical.

The spelling of 43243316 in words is "forty-three million, two hundred forty-three thousand, three hundred sixteen".