43840868 has 12 divisors (see below), whose sum is σ = 77481852. Its totient is φ = 21703200.

The previous prime is 43840843. The next prime is 43840873. The reversal of 43840868 is 86804834.

It can be written as a sum of positive squares in 2 ways, for example, as 39337984 + 4502884 = 6272^2 + 2122^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53855 + ... + 54662.

It is an arithmetic number, because the mean of its divisors is an integer number (6456821).

Almost surely, 2^43840868 is an apocalyptic number.

It is an amenable number.

43840868 is a deficient number, since it is larger than the sum of its proper divisors (33640984).

43840868 is a wasteful number, since it uses less digits than its factorization.

43840868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108622 (or 108620 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 43840868 is about 6621.2436898214. The cubic root of 43840868 is about 352.6087198808.

The spelling of 43840868 in words is "forty-three million, eight hundred forty thousand, eight hundred sixty-eight".