1404842 has 8 divisors (see below), whose sum is σ = 2116800.
Its totient is φ = 699244.
The previous prime is 1404833. The next prime is 1404859. The reversal of 1404842 is 2484041.
Adding to 1404842 its reverse (2484041), we get a palindrome (3888883).
It is a sphenic number, since it is the product of 3 distinct primes.
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, 992 + ... + 1947.
It is an arithmetic number, because the mean of its divisors is an integer number (264600).
21404842 is an apocalyptic number.
1404842 is a deficient number, since it is larger than the sum of its proper divisors (711958).
1404842 is a wasteful number, since it uses less digits than its factorization.
1404842 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3180.
The product of its (nonzero) digits is 1024, while the sum is 23.
The square root of 1404842 is about 1185.2603089617.
The cubic root of 1404842 is about 111.9977146643.
The spelling of 1404842 in words is "one million, four hundred four thousand, eight hundred forty-two".