44859891 has 4 divisors (see below), whose sum is σ = 59813192. Its totient is φ = 29906592.

The previous prime is 44859853. The next prime is 44859901. The reversal of 44859891 is 19895844.

44859891 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.

It is not a de Polignac number, because 44859891 - 2¹⁴ = 44843507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44859891.

It is not an unprimeable number, because it can be changed into a prime (44859791) 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, 7476646 + ... + 7476651.

It is an arithmetic number, because the mean of its divisors is an integer number (14953298).

Almost surely, 2^44859891 is an apocalyptic number.

44859891 is a deficient number, since it is larger than the sum of its proper divisors (14953301).

44859891 is a wasteful number, since it uses less digits than its factorization.

44859891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14953300.

The product of its digits is 414720, while the sum is 48.

The square root of 44859891 is about 6697.7526828034. The cubic root of 44859891 is about 355.3197964689.

The spelling of 44859891 in words is "forty-four million, eight hundred fifty-nine thousand, eight hundred ninety-one".