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8841 = 37421

8841 has 8 divisors (see below), whose sum is σ = 13504. Its totient is φ = 5040.

The previous prime is 8839. The next prime is 8849. The reversal of 8841 is 1488.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8841 - 21 = 8839 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 421 = 8841 / (8 + 8 + 4 + 1).

It is a Duffinian number.

It is a Curzon number.

8841 is a lucky number.

It is a plaindrome in base 16.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (8849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190 + ... + 231.

It is an arithmetic number, because the mean of its divisors is an integer number (1688).

28841 is an apocalyptic number.

It is an amenable number.

8841 is a deficient number, since it is larger than the sum of its proper divisors (4663).

8841 is a wasteful number, since it uses less digits than its factorization.

8841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431.

The product of its digits is 256, while the sum is 21.

The square root of 8841 is about 94.0265919833. The cubic root of 8841 is about 20.6776158884.

The spelling of 8841 in words is "eight thousand, eight hundred forty-one".

Divisors: 1 3 7 21 421 1263 2947 8841