44888889 has 8 divisors (see below), whose sum is σ = 59927872. Its totient is φ = 29887920.

The previous prime is 44888821. The next prime is 44888903. The reversal of 44888889 is 98888844.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44888889 - 2⁷ = 44888761 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (44888819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6622 + ... + 11559.

It is an arithmetic number, because the mean of its divisors is an integer number (7490984).

Almost surely, 2^44888889 is an apocalyptic number.

It is an amenable number.

44888889 is a deficient number, since it is larger than the sum of its proper divisors (15038983).

44888889 is a wasteful number, since it uses less digits than its factorization.

44888889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19007.

The product of its digits is 4718592, while the sum is 57.

The square root of 44888889 is about 6699.9170890392. The cubic root of 44888889 is about 355.3963410459.

The spelling of 44888889 in words is "forty-four million, eight hundred eighty-eight thousand, eight hundred eighty-nine".