44336989 has 4 divisors (see below), whose sum is σ = 45535324. Its totient is φ = 43138656.

The previous prime is 44336987. The next prime is 44336993. The reversal of 44336989 is 98963344.

44336989 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 can be written as a sum of positive squares in 2 ways, for example, as 20160100 + 24176889 = 4490^2 + 4917^2 .

It is a cyclic number.

It is not a de Polignac number, because 44336989 - 2¹ = 44336987 is a prime.

It is a super-2 number, since 2×44336989² = 3931537187172242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44336983) 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, 599112 + ... + 599185.

It is an arithmetic number, because the mean of its divisors is an integer number (11383831).

Almost surely, 2^44336989 is an apocalyptic number.

It is an amenable number.

44336989 is a deficient number, since it is larger than the sum of its proper divisors (1198335).

44336989 is a wasteful number, since it uses less digits than its factorization.

44336989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198334.

The product of its digits is 559872, while the sum is 46.

The square root of 44336989 is about 6658.6026311832. The cubic root of 44336989 is about 353.9338215635.

The spelling of 44336989 in words is "forty-four million, three hundred thirty-six thousand, nine hundred eighty-nine".