189841 has 4 divisors (see below), whose sum is σ = 190900. Its totient is φ = 188784.

The previous prime is 189823. The next prime is 189851. The reversal of 189841 is 148981.

189841 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 brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 148981 = 7 ⋅21283.

It can be written as a sum of positive squares in 2 ways, for example, as 148225 + 41616 = 385^2 + 204^2 .

It is a cyclic number.

It is not a de Polignac number, because 189841 - 2⁷ = 189713 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 (189851) 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, 186 + ... + 643.

It is an arithmetic number, because the mean of its divisors is an integer number (47725).

2¹⁸⁹⁸⁴¹ is an apocalyptic number.

It is an amenable number.

189841 is a deficient number, since it is larger than the sum of its proper divisors (1059).

189841 is an equidigital number, since it uses as much as digits as its factorization.

189841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058.

The product of its digits is 2304, while the sum is 31.

The square root of 189841 is about 435.7074706727. The cubic root of 189841 is about 57.4729299169.

The spelling of 189841 in words is "one hundred eighty-nine thousand, eight hundred forty-one".