1404404 has 24 divisors (see below), whose sum is σ = 2741760. Its totient is φ = 625536.

The previous prime is 1404397. The next prime is 1404419. The reversal of 1404404 is 4044041.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749 + ... + 1835.

It is an arithmetic number, because the mean of its divisors is an integer number (114240).

2^1404404 is an apocalyptic number.

It is an amenable number.

1404404 is a deficient number, since it is larger than the sum of its proper divisors (1337356).

1404404 is a wasteful number, since it uses less digits than its factorization.

1404404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127 (or 1125 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1404404 is about 1185.0755250194. The cubic root of 1404404 is about 111.9860739488.

Adding to 1404404 its reverse (4044041), we get a palindrome (5448445).

The spelling of 1404404 in words is "one million, four hundred four thousand, four hundred four".