43412216 has 8 divisors (see below), whose sum is σ = 81397920. Its totient is φ = 21706104.

The previous prime is 43412209. The next prime is 43412219. The reversal of 43412216 is 61221434.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 43412191 and 43412200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43412219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2713256 + ... + 2713271.

It is an arithmetic number, because the mean of its divisors is an integer number (10174740).

Almost surely, 2^43412216 is an apocalyptic number.

It is an amenable number.

43412216 is a deficient number, since it is larger than the sum of its proper divisors (37985704).

43412216 is a wasteful number, since it uses less digits than its factorization.

43412216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5426533 (or 5426529 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 43412216 is about 6588.7947304496. The cubic root of 43412216 is about 351.4557489786.

The spelling of 43412216 in words is "forty-three million, four hundred twelve thousand, two hundred sixteen".