1404401 has 4 divisors (see below), whose sum is σ = 1406832. Its totient is φ = 1401972.

The previous prime is 1404397. The next prime is 1404419. The reversal of 1404401 is 1044041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1404401 - 2² = 1404397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401401) by changing a digit.

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, 206 + ... + 1688.

It is an arithmetic number, because the mean of its divisors is an integer number (351708).

2^1404401 is an apocalyptic number.

It is an amenable number.

1404401 is a deficient number, since it is larger than the sum of its proper divisors (2431).

1404401 is an equidigital number, since it uses as much as digits as its factorization.

1404401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2430.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1404401 is about 1185.0742592766. The cubic root of 1404401 is about 111.9859942095.

Adding to 1404401 its reverse (1044041), we get a palindrome (2448442).

The spelling of 1404401 in words is "one million, four hundred four thousand, four hundred one".