43628113 has 4 divisors (see below), whose sum is σ = 43641328. Its totient is φ = 43614900.

The previous prime is 43628111. The next prime is 43628149. The reversal of 43628113 is 31182634.

43628113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 43628113 - 2¹ = 43628111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43628111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3070 + ... + 9832.

It is an arithmetic number, because the mean of its divisors is an integer number (10910332).

Almost surely, 2^43628113 is an apocalyptic number.

It is an amenable number.

43628113 is a deficient number, since it is larger than the sum of its proper divisors (13215).

43628113 is an equidigital number, since it uses as much as digits as its factorization.

43628113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13214.

The product of its digits is 3456, while the sum is 28.

The square root of 43628113 is about 6605.1580601830. The cubic root of 43628113 is about 352.0374040185.

The spelling of 43628113 in words is "forty-three million, six hundred twenty-eight thousand, one hundred thirteen".