1404444 has 12 divisors (see below), whose sum is σ = 3277064. Its totient is φ = 468144.

The previous prime is 1404439. The next prime is 1404467. The reversal of 1404444 is 4444041.

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

1404444 is a modest number, since divided by 4444 gives 140 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1404444.

It is a congruent number.

It is an unprimeable number.

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, 58507 + ... + 58530.

2^1404444 is an apocalyptic number.

It is an amenable number.

1404444 is an abundant number, since it is smaller than the sum of its proper divisors (1872620).

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

1404444 is a wasteful number, since it uses less digits than its factorization.

1404444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117044 (or 117042 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 1404444 is about 1185.0924014607. The cubic root of 1404444 is about 111.9871371282.

Adding to 1404444 its reverse (4444041), we get a palindrome (5848485).

The spelling of 1404444 in words is "one million, four hundred four thousand, four hundred forty-four".