43789668 has 24 divisors (see below), whose sum is σ = 110035968. Its totient is φ = 13473696.

The previous prime is 43789667. The next prime is 43789679. The reversal of 43789668 is 86698734.

It is a self number, because there is not a number n which added to its sum of digits gives 43789668.

It is not an unprimeable number, because it can be changed into a prime (43789667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140196 + ... + 140507.

It is an arithmetic number, because the mean of its divisors is an integer number (4584832).

Almost surely, 2^43789668 is an apocalyptic number.

It is an amenable number.

43789668 is an abundant number, since it is smaller than the sum of its proper divisors (66246300).

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

43789668 is a wasteful number, since it uses less digits than its factorization.

43789668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280723 (or 280721 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The square root of 43789668 is about 6617.3762172027. The cubic root of 43789668 is about 352.4714005266.

The spelling of 43789668 in words is "forty-three million, seven hundred eighty-nine thousand, six hundred sixty-eight".