83811841 has 4 divisors (see below), whose sum is σ = 85062832. Its totient is φ = 82560852.

The previous prime is 83811809. The next prime is 83811863. The reversal of 83811841 is 14811838.

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 a cyclic number.

It is not a de Polignac number, because 83811841 - 2⁵ = 83811809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83811797 and 83811806.

It is not an unprimeable number, because it can be changed into a prime (83211841) 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, 625395 + ... + 625528.

It is an arithmetic number, because the mean of its divisors is an integer number (21265708).

Almost surely, 2^83811841 is an apocalyptic number.

It is an amenable number.

83811841 is a deficient number, since it is larger than the sum of its proper divisors (1250991).

83811841 is a wasteful number, since it uses less digits than its factorization.

83811841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250990.

The product of its digits is 6144, while the sum is 34.

The square root of 83811841 is about 9154.8807201405. The cubic root of 83811841 is about 437.6246671662.

The spelling of 83811841 in words is "eighty-three million, eight hundred eleven thousand, eight hundred forty-one".