43068399 has 16 divisors (see below), whose sum is σ = 62982144. Its totient is φ = 25961600.

The previous prime is 43068391. The next prime is 43068401. The reversal of 43068399 is 99386034.

It is a cyclic number.

It is not a de Polignac number, because 43068399 - 2³ = 43068391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43068399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43068391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2887 + ... + 9719.

It is an arithmetic number, because the mean of its divisors is an integer number (3936384).

Almost surely, 2^43068399 is an apocalyptic number.

43068399 is a deficient number, since it is larger than the sum of its proper divisors (19913745).

43068399 is a wasteful number, since it uses less digits than its factorization.

43068399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7038.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 43068399 is about 6562.6518268151. The cubic root of 43068399 is about 350.5254664874.

The spelling of 43068399 in words is "forty-three million, sixty-eight thousand, three hundred ninety-nine".