41689 has 4 divisors (see below), whose sum is σ = 42624. Its totient is φ = 40756.

The previous prime is 41687. The next prime is 41719. The reversal of 41689 is 98614.

41689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 98614 = 2 ⋅49307.

It is a cyclic number.

It is not a de Polignac number, because 41689 - 2¹ = 41687 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41681) 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, 397 + ... + 490.

It is an arithmetic number, because the mean of its divisors is an integer number (10656).

2⁴¹⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

41689 is a deficient number, since it is larger than the sum of its proper divisors (935).

41689 is an equidigital number, since it uses as much as digits as its factorization.

41689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934.

The product of its digits is 1728, while the sum is 28.

The square root of 41689 is about 204.1788431743. The cubic root of 41689 is about 34.6742566386.

It can be divided in two parts, 416 and 89, that added together give a palindrome (505).

The spelling of 41689 in words is "forty-one thousand, six hundred eighty-nine".