44591 has 8 divisors (see below), whose sum is σ = 49104. Its totient is φ = 40320.

The previous prime is 44587. The next prime is 44617. The reversal of 44591 is 19544.

It is a happy number.

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 44591 - 2² = 44587 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 (44501) 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, 701 + ... + 761.

It is an arithmetic number, because the mean of its divisors is an integer number (6138).

2⁴⁴⁵⁹¹ is an apocalyptic number.

44591 is a deficient number, since it is larger than the sum of its proper divisors (4513).

44591 is a wasteful number, since it uses less digits than its factorization.

44591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121.

The product of its digits is 720, while the sum is 23.

The square root of 44591 is about 211.1658116268. The cubic root of 44591 is about 35.4608442179.

The spelling of 44591 in words is "forty-four thousand, five hundred ninety-one".