1844244 has 18 divisors (see below), whose sum is σ = 4661930. Its totient is φ = 614736.

The previous prime is 1844243. The next prime is 1844257. The reversal of 1844244 is 4424481.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1299600 + 544644 = 1140^2 + 738^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1844243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25579 + ... + 25650.

2^1844244 is an apocalyptic number.

It is an amenable number.

1844244 is an abundant number, since it is smaller than the sum of its proper divisors (2817686).

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

1844244 is a wasteful number, since it uses less digits than its factorization.

1844244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51239 (or 51234 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

The square root of 1844244 is about 1358.0294547616. The cubic root of 1844244 is about 122.6326537445.

The spelling of 1844244 in words is "one million, eight hundred forty-four thousand, two hundred forty-four".