844364 has 18 divisors (see below), whose sum is σ = 1536444. Its totient is φ = 406000.

The previous prime is 844351. The next prime is 844369. The reversal of 844364 is 463448.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (844369) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3239 + ... + 3489.

It is an arithmetic number, because the mean of its divisors is an integer number (85358).

2⁸⁴⁴³⁶⁴ is an apocalyptic number.

It is an amenable number.

844364 is a deficient number, since it is larger than the sum of its proper divisors (692080).

844364 is a wasteful number, since it uses less digits than its factorization.

844364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 282 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 844364 is about 918.8928120298. The cubic root of 844364 is about 94.5169944148.

The spelling of 844364 in words is "eight hundred forty-four thousand, three hundred sixty-four".