805441 has 16 divisors (see below), whose sum is σ = 1016064. Its totient is φ = 621504.

The previous prime is 805421. The next prime is 805451. The reversal of 805441 is 144508.

It is not a de Polignac number, because 805441 - 2⁷ = 805313 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 805441.

It is not an unprimeable number, because it can be changed into a prime (805421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4740 + ... + 4906.

It is an arithmetic number, because the mean of its divisors is an integer number (63504).

2⁸⁰⁵⁴⁴¹ is an apocalyptic number.

It is an amenable number.

805441 is a deficient number, since it is larger than the sum of its proper divisors (210623).

805441 is a wasteful number, since it uses less digits than its factorization.

805441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 805441 is about 897.4636482889. The cubic root of 805441 is about 93.0417587162.

Adding to 805441 its reverse (144508), we get a palindrome (949949).

The spelling of 805441 in words is "eight hundred five thousand, four hundred forty-one".