1841404 has 12 divisors (see below), whose sum is σ = 3392200. Its totient is φ = 872208.

The previous prime is 1841401. The next prime is 1841429. The reversal of 1841404 is 4041481.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1841401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12039 + ... + 12190.

2^1841404 is an apocalyptic number.

It is an amenable number.

1841404 is a deficient number, since it is larger than the sum of its proper divisors (1550796).

1841404 is a wasteful number, since it uses less digits than its factorization.

1841404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24252 (or 24250 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 1841404 is about 1356.9834192060. The cubic root of 1841404 is about 122.5696729851.

Adding to 1841404 its reverse (4041481), we get a palindrome (5882885).

The spelling of 1841404 in words is "one million, eight hundred forty-one thousand, four hundred four".