844464 has 40 divisors (see below), whose sum is σ = 2220592. Its totient is φ = 276480.

The previous prime is 844463. The next prime is 844469. The reversal of 844464 is 464448.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (844463) 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, 3384 + ... + 3624.

2⁸⁴⁴⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 844464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1110296).

844464 is an abundant number, since it is smaller than the sum of its proper divisors (1376128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

844464 is a wasteful number, since it uses less digits than its factorization.

844464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 319 counting only the distinct ones).

The product of its digits is 12288, while the sum is 30.

The square root of 844464 is about 918.9472237294. The cubic root of 844464 is about 94.5207255569.

The spelling of 844464 in words is "eight hundred forty-four thousand, four hundred sixty-four".