844401 has 8 divisors (see below), whose sum is σ = 1142944. Its totient is φ = 554400.

The previous prime is 844369. The next prime is 844421. The reversal of 844401 is 104448.

844401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 844401 - 2⁵ = 844369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (844421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1900 + ... + 2301.

It is an arithmetic number, because the mean of its divisors is an integer number (142868).

2⁸⁴⁴⁴⁰¹ is an apocalyptic number.

It is an amenable number.

844401 is a deficient number, since it is larger than the sum of its proper divisors (298543).

844401 is a wasteful number, since it uses less digits than its factorization.

844401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 844401 is about 918.9129447342. The cubic root of 844401 is about 94.5183749717.

Adding to 844401 its reverse (104448), we get a palindrome (948849).

The spelling of 844401 in words is "eight hundred forty-four thousand, four hundred one".