44315889 has 8 divisors (see below), whose sum is σ = 62563680. Its totient is φ = 27806016.

The previous prime is 44315879. The next prime is 44315893. The reversal of 44315889 is 98851344.

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

It is not a de Polignac number, because 44315889 - 2¹⁵ = 44283121 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44315889.

It is not an unprimeable number, because it can be changed into a prime (44315849) 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, 434419 + ... + 434520.

It is an arithmetic number, because the mean of its divisors is an integer number (7820460).

Almost surely, 2^44315889 is an apocalyptic number.

It is an amenable number.

44315889 is a deficient number, since it is larger than the sum of its proper divisors (18247791).

44315889 is a wasteful number, since it uses less digits than its factorization.

44315889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868959.

The product of its digits is 138240, while the sum is 42.

The square root of 44315889 is about 6657.0180261135. The cubic root of 44315889 is about 353.8776668810.

The spelling of 44315889 in words is "forty-four million, three hundred fifteen thousand, eight hundred eighty-nine".