90841 has 2 divisors, whose sum is σ = 90842. Its totient is φ = 90840.

The previous prime is 90833. The next prime is 90847. The reversal of 90841 is 14809.

90841 is nontrivially palindromic in base 15.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90000 + 841 = 300^2 + 29^2 .

It is a cyclic number.

It is not a de Polignac number, because 90841 - 2³ = 90833 is a prime.

It is not a weakly prime, because it can be changed into another prime (90847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45420 + 45421.

It is an arithmetic number, because the mean of its divisors is an integer number (45421).

2⁹⁰⁸⁴¹ is an apocalyptic number.

It is an amenable number.

90841 is a deficient number, since it is larger than the sum of its proper divisors (1).

90841 is an equidigital number, since it uses as much as digits as its factorization.

90841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 90841 is about 301.3984074278. The cubic root of 90841 is about 44.9532023786.

It can be divided in two parts, 908 and 41, that added together give a palindrome (949).

The spelling of 90841 in words is "ninety thousand, eight hundred forty-one".