44491 has 2 divisors, whose sum is σ = 44492. Its totient is φ = 44490.

The previous prime is 44483. The next prime is 44497. The reversal of 44491 is 19444.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44491 - 2³ = 44483 is a prime.

It is a Chen prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (44497) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22245 + 22246.

It is an arithmetic number, because the mean of its divisors is an integer number (22246).

2⁴⁴⁴⁹¹ is an apocalyptic number.

44491 is a deficient number, since it is larger than the sum of its proper divisors (1).

44491 is an equidigital number, since it uses as much as digits as its factorization.

44491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 22.

The square root of 44491 is about 210.9288979728. The cubic root of 44491 is about 35.4343161551.

It can be divided in two parts, 444 and 91, that multiplied together give a palindrome (40404).

The spelling of 44491 in words is "forty-four thousand, four hundred ninety-one".