1844406 has 24 divisors (see below), whose sum is σ = 4207320. Its totient is φ = 582336.

The previous prime is 1844383. The next prime is 1844411. The reversal of 1844406 is 6044481.

It is a self number, because there is not a number n which added to its sum of digits gives 1844406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2355 + ... + 3038.

It is an arithmetic number, because the mean of its divisors is an integer number (175305).

2^1844406 is an apocalyptic number.

1844406 is an abundant number, since it is smaller than the sum of its proper divisors (2362914).

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

1844406 is a wasteful number, since it uses less digits than its factorization.

1844406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5420 (or 5417 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 1844406 is about 1358.0890986971. The cubic root of 1844406 is about 122.6362443591.

Adding to 1844406 its reverse (6044481), we get a palindrome (7888887).

The spelling of 1844406 in words is "one million, eight hundred forty-four thousand, four hundred six".