1844004 has 24 divisors (see below), whose sum is σ = 4442368. Its totient is φ = 594720.

The previous prime is 1843999. The next prime is 1844021. The reversal of 1844004 is 4004481.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2107 + ... + 2850.

2^1844004 is an apocalyptic number.

It is an amenable number.

1844004 is an abundant number, since it is smaller than the sum of its proper divisors (2598364).

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

1844004 is a wasteful number, since it uses less digits than its factorization.

1844004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4995 (or 4993 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1844004 is about 1357.9410885602. The cubic root of 1844004 is about 122.6273339290.

Adding to 1844004 its reverse (4004481), we get a palindrome (5848485).

The spelling of 1844004 in words is "one million, eight hundred forty-four thousand, four".