1844412 has 12 divisors (see below), whose sum is σ = 4303656. Its totient is φ = 614800.

The previous prime is 1844411. The next prime is 1844417. The reversal of 1844412 is 2144481.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1844411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76839 + ... + 76862.

It is an arithmetic number, because the mean of its divisors is an integer number (358638).

2^1844412 is an apocalyptic number.

1844412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1844412 is an abundant number, since it is smaller than the sum of its proper divisors (2459244).

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

1844412 is a wasteful number, since it uses less digits than its factorization.

1844412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153708 (or 153706 counting only the distinct ones).

The product of its digits is 1024, while the sum is 24.

The square root of 1844412 is about 1358.0913076815. The cubic root of 1844412 is about 122.6363773408.

Adding to 1844412 its reverse (2144481), we get a palindrome (3988893).

The spelling of 1844412 in words is "one million, eight hundred forty-four thousand, four hundred twelve".