44470989 has 6 divisors (see below), whose sum is σ = 64235886. Its totient is φ = 29647320.

The previous prime is 44470981. The next prime is 44470991. The reversal of 44470989 is 98907444.

44470989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 43956900 + 514089 = 6630^2 + 717^2 .

It is not a de Polignac number, because 44470989 - 2³ = 44470981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44470981) 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 5 ways as a sum of consecutive naturals, for example, 2470602 + ... + 2470619.

It is an arithmetic number, because the mean of its divisors is an integer number (10705981).

Almost surely, 2^44470989 is an apocalyptic number.

It is an amenable number.

44470989 is a deficient number, since it is larger than the sum of its proper divisors (19764897).

44470989 is a wasteful number, since it uses less digits than its factorization.

44470989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4941227 (or 4941224 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 44470989 is about 6668.6572111633. The cubic root of 44470989 is about 354.2900285248.

The spelling of 44470989 in words is "forty-four million, four hundred seventy thousand, nine hundred eighty-nine".