44103891 has 16 divisors (see below), whose sum is σ = 63548576. Its totient is φ = 27046656.

The previous prime is 44103881. The next prime is 44103919. The reversal of 44103891 is 19830144.

It is a happy number.

44103891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44103891 - 2⁵ = 44103859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44103841) 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 15 ways as a sum of consecutive naturals, for example, 10401 + ... + 14013.

It is an arithmetic number, because the mean of its divisors is an integer number (3971786).

Almost surely, 2^44103891 is an apocalyptic number.

44103891 is a deficient number, since it is larger than the sum of its proper divisors (19444685).

44103891 is a wasteful number, since it uses less digits than its factorization.

44103891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3942.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 44103891 is about 6641.0760423293. The cubic root of 44103891 is about 353.3124722663.

The spelling of 44103891 in words is "forty-four million, one hundred three thousand, eight hundred ninety-one".