1404904 has 16 divisors (see below), whose sum is σ = 2653920. Its totient is φ = 697200.

The previous prime is 1404899. The next prime is 1404911. The reversal of 1404904 is 4094041.

It is a happy 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 3 ways as a sum of consecutive naturals, for example, 627 + ... + 1789.

It is an arithmetic number, because the mean of its divisors is an integer number (165870).

2^1404904 is an apocalyptic number.

It is an amenable number.

1404904 is a deficient number, since it is larger than the sum of its proper divisors (1249016).

1404904 is a wasteful number, since it uses less digits than its factorization.

1404904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320 (or 1316 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1404904 is about 1185.2864632653. The cubic root of 1404904 is about 111.9993622413. Note that the first 3 decimals are identical.

Adding to 1404904 its reverse (4094041), we get a palindrome (5498945).

The spelling of 1404904 in words is "one million, four hundred four thousand, nine hundred four".