841881 has 4 divisors (see below), whose sum is σ = 1122512. Its totient is φ = 561252.

The previous prime is 841879. The next prime is 841889. The reversal of 841881 is 188148.

841881 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.

It is not a de Polignac number, because 841881 - 2¹ = 841879 is a prime.

It is a super-2 number, since 2×841881² = 1417527236322, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

841881 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (841889) 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, 140311 + ... + 140316.

It is an arithmetic number, because the mean of its divisors is an integer number (280628).

2⁸⁴¹⁸⁸¹ is an apocalyptic number.

It is an amenable number.

841881 is a deficient number, since it is larger than the sum of its proper divisors (280631).

841881 is a wasteful number, since it uses less digits than its factorization.

841881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280630.

The product of its digits is 2048, while the sum is 30.

The square root of 841881 is about 917.5407347906. The cubic root of 841881 is about 94.4242555334.

The spelling of 841881 in words is "eight hundred forty-one thousand, eight hundred eighty-one".