844801 has 4 divisors (see below), whose sum is σ = 847152. Its totient is φ = 842452.

The previous prime is 844777. The next prime is 844841. The reversal of 844801 is 108448.

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 844801 - 2⁵ = 844769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (844841) 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 3 ways as a sum of consecutive naturals, for example, 511 + ... + 1396.

It is an arithmetic number, because the mean of its divisors is an integer number (211788).

It is a Proth number, since it is equal to 825 ⋅ 2¹⁰ + 1 and 825 < 2¹⁰.

2⁸⁴⁴⁸⁰¹ is an apocalyptic number.

It is an amenable number.

844801 is a deficient number, since it is larger than the sum of its proper divisors (2351).

844801 is a wasteful number, since it uses less digits than its factorization.

844801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 844801 is about 919.1305674386. The cubic root of 844801 is about 94.5332973374.

The spelling of 844801 in words is "eight hundred forty-four thousand, eight hundred one".