44989 has 4 divisors (see below), whose sum is σ = 51424. Its totient is φ = 38556.

The previous prime is 44987. The next prime is 45007. The reversal of 44989 is 98944.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 44989 - 2¹ = 44987 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3207 + ... + 3220.

It is an arithmetic number, because the mean of its divisors is an integer number (12856).

2⁴⁴⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

44989 is a deficient number, since it is larger than the sum of its proper divisors (6435).

44989 is an equidigital number, since it uses as much as digits as its factorization.

44989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6434.

The product of its digits is 10368, while the sum is 34.

The square root of 44989 is about 212.1061055227. The cubic root of 44989 is about 35.5660345994.

The spelling of 44989 in words is "forty-four thousand, nine hundred eighty-nine".