404244 has 48 divisors (see below), whose sum is σ = 1108800. Its totient is φ = 127008.

The previous prime is 404221. The next prime is 404249. The reversal of 404244 is 442404.

It is a happy number.

404244 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1954 + ... + 2150.

It is an arithmetic number, because the mean of its divisors is an integer number (23100).

2⁴⁰⁴²⁴⁴ 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 404244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (554400).

404244 is an abundant number, since it is smaller than the sum of its proper divisors (704556).

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

404244 is a wasteful number, since it uses less digits than its factorization.

404244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 404244 is about 635.8018559268. The cubic root of 404244 is about 73.9402975969.

Adding to 404244 its reverse (442404), we get a palindrome (846648).

The spelling of 404244 in words is "four hundred four thousand, two hundred forty-four", and thus it is an iban number.