44371989 has 16 divisors (see below), whose sum is σ = 69603840. Its totient is φ = 27840960.

The previous prime is 44371981. The next prime is 44371993. The reversal of 44371989 is 98917344.

It is not a de Polignac number, because 44371989 - 2³ = 44371981 is a prime.

It is a super-2 number, since 2×44371989² = 3937746815632242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44371981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47877 + ... + 48794.

It is an arithmetic number, because the mean of its divisors is an integer number (4350240).

Almost surely, 2^44371989 is an apocalyptic number.

It is an amenable number.

44371989 is a deficient number, since it is larger than the sum of its proper divisors (25231851).

44371989 is a wasteful number, since it uses less digits than its factorization.

44371989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96697 (or 96691 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 44371989 is about 6661.2302917704. The cubic root of 44371989 is about 354.0269298674.

The spelling of 44371989 in words is "forty-four million, three hundred seventy-one thousand, nine hundred eighty-nine".