44207989 has 8 divisors (see below), whose sum is σ = 51477120. Its totient is φ = 37177296.

The previous prime is 44207987. The next prime is 44208011. The reversal of 44207989 is 98970244.

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

It is a cyclic number.

It is not a de Polignac number, because 44207989 - 2¹ = 44207987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44207987) 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, 59209 + ... + 59950.

It is an arithmetic number, because the mean of its divisors is an integer number (6434640).

Almost surely, 2^44207989 is an apocalyptic number.

It is an amenable number.

44207989 is a deficient number, since it is larger than the sum of its proper divisors (7269131).

44207989 is a wasteful number, since it uses less digits than its factorization.

44207989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119219.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 44207989 is about 6648.9088578503. The cubic root of 44207989 is about 353.5902272241.

The spelling of 44207989 in words is "forty-four million, two hundred seven thousand, nine hundred eighty-nine".