844485 has 8 divisors (see below), whose sum is σ = 1351200. Its totient is φ = 450384.

The previous prime is 844483. The next prime is 844489. The reversal of 844485 is 584448.

844485 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 844485 - 2¹ = 844483 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (844483) 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, 28135 + ... + 28164.

It is an arithmetic number, because the mean of its divisors is an integer number (168900).

2⁸⁴⁴⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

844485 is a deficient number, since it is larger than the sum of its proper divisors (506715).

844485 is a wasteful number, since it uses less digits than its factorization.

844485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56307.

The product of its digits is 20480, while the sum is 33.

The square root of 844485 is about 918.9586497770. The cubic root of 844485 is about 94.5215090593.

The spelling of 844485 in words is "eight hundred forty-four thousand, four hundred eighty-five".