800841 has 4 divisors (see below), whose sum is σ = 1067792. Its totient is φ = 533892.

The previous prime is 800801. The next prime is 800861. The reversal of 800841 is 148008.

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 800841 - 2⁹ = 800329 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (800801) 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, 133471 + ... + 133476.

It is an arithmetic number, because the mean of its divisors is an integer number (266948).

2⁸⁰⁰⁸⁴¹ is an apocalyptic number.

It is an amenable number.

800841 is a deficient number, since it is larger than the sum of its proper divisors (266951).

800841 is a wasteful number, since it uses less digits than its factorization.

800841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266950.

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

The square root of 800841 is about 894.8972008002. The cubic root of 800841 is about 92.8642950817.

Adding to 800841 its reverse (148008), we get a palindrome (948849).

The spelling of 800841 in words is "eight hundred thousand, eight hundred forty-one".