844413 has 8 divisors (see below), whose sum is σ = 1133088. Its totient is φ = 559344.

The previous prime is 844369. The next prime is 844421. The reversal of 844413 is 314448.

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

It is not a de Polignac number, because 844413 - 2⁸ = 844157 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 844413.

It is not an unprimeable number, because it can be changed into a prime (844433) 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, 295 + ... + 1332.

It is an arithmetic number, because the mean of its divisors is an integer number (141636).

2⁸⁴⁴⁴¹³ is an apocalyptic number.

It is an amenable number.

844413 is a deficient number, since it is larger than the sum of its proper divisors (288675).

844413 is a wasteful number, since it uses less digits than its factorization.

844413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803.

The product of its digits is 1536, while the sum is 24.

The square root of 844413 is about 918.9194741652. The cubic root of 844413 is about 94.5188227112.

The spelling of 844413 in words is "eight hundred forty-four thousand, four hundred thirteen".