43998872 has 16 divisors (see below), whose sum is σ = 82681560. Its totient is φ = 21950464.

The previous prime is 43998869. The next prime is 43998901. The reversal of 43998872 is 27889934.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 43998872.

It is a congruent number.

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, 2153 + ... + 9624.

Almost surely, 2^43998872 is an apocalyptic number.

It is an amenable number.

43998872 is a deficient number, since it is larger than the sum of its proper divisors (38682688).

43998872 is a wasteful number, since it uses less digits than its factorization.

43998872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12250 (or 12246 counting only the distinct ones).

The product of its digits is 870912, while the sum is 50.

The square root of 43998872 is about 6633.1645539667. The cubic root of 43998872 is about 353.0318166637.

The spelling of 43998872 in words is "forty-three million, nine hundred ninety-eight thousand, eight hundred seventy-two".