43218868 has 24 divisors (see below), whose sum is σ = 94296384. Its totient is φ = 16838400.

The previous prime is 43218841. The next prime is 43218871. The reversal of 43218868 is 86881234.

It is a self number, because there is not a number n which added to its sum of digits gives 43218868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69853 + ... + 70468.

It is an arithmetic number, because the mean of its divisors is an integer number (3929016).

Almost surely, 2^43218868 is an apocalyptic number.

It is an amenable number.

43218868 is an abundant number, since it is smaller than the sum of its proper divisors (51077516).

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

43218868 is a wasteful number, since it uses less digits than its factorization.

43218868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140343 (or 140341 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 43218868 is about 6574.1058707630. The cubic root of 43218868 is about 350.9332048231.

The spelling of 43218868 in words is "forty-three million, two hundred eighteen thousand, eight hundred sixty-eight".