43869668 has 6 divisors (see below), whose sum is σ = 76771926. Its totient is φ = 21934832.

The previous prime is 43869647. The next prime is 43869677. The reversal of 43869668 is 86696834.

It can be written as a sum of positive squares in only one way, i.e., 37478884 + 6390784 = 6122^2 + 2528^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5483705 + ... + 5483712.

It is an arithmetic number, because the mean of its divisors is an integer number (12795321).

Almost surely, 2^43869668 is an apocalyptic number.

It is an amenable number.

43869668 is a deficient number, since it is larger than the sum of its proper divisors (32902258).

43869668 is a wasteful number, since it uses less digits than its factorization.

43869668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10967421 (or 10967419 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 50.

The square root of 43869668 is about 6623.4181507738. The cubic root of 43869668 is about 352.6859150391.

The spelling of 43869668 in words is "forty-three million, eight hundred sixty-nine thousand, six hundred sixty-eight".