1404043 has 4 divisors (see below), whose sum is σ = 1477960. Its totient is φ = 1330128.

The previous prime is 1403981. The next prime is 1404059. The reversal of 1404043 is 3404041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1404043 - 2⁹ = 1403531 is a prime.

It is a Duffinian number.

1404043 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1404643) 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 3 ways as a sum of consecutive naturals, for example, 36930 + ... + 36967.

It is an arithmetic number, because the mean of its divisors is an integer number (369490).

2^1404043 is an apocalyptic number.

1404043 is a deficient number, since it is larger than the sum of its proper divisors (73917).

1404043 is an equidigital number, since it uses as much as digits as its factorization.

1404043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73916.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1404043 is about 1184.9232042626. The cubic root of 1404043 is about 111.9764778409.

Adding to 1404043 its reverse (3404041), we get a palindrome (4808084).

The spelling of 1404043 in words is "one million, four hundred four thousand, forty-three".