1404297 has 12 divisors (see below), whose sum is σ = 2103920. Its totient is φ = 936036.

The previous prime is 1404289. The next prime is 1404323. The reversal of 1404297 is 7924041.

It is a happy number.

It is not a de Polignac number, because 1404297 - 2³ = 1404289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1404297.

It is not an unprimeable number, because it can be changed into a prime (1404257) 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 11 ways as a sum of consecutive naturals, for example, 2647 + ... + 3132.

2^1404297 is an apocalyptic number.

It is an amenable number.

1404297 is a deficient number, since it is larger than the sum of its proper divisors (699623).

1404297 is an frugal number, since it uses more digits than its factorization.

1404297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5794 (or 5782 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1404297 is about 1185.0303793574. The cubic root of 1404297 is about 111.9832298445.

The spelling of 1404297 in words is "one million, four hundred four thousand, two hundred ninety-seven".