1404418 has 8 divisors (see below), whose sum is σ = 2112012. Its totient is φ = 700416.

The previous prime is 1404397. The next prime is 1404419. The reversal of 1404418 is 8144041.

It can be written as a sum of positive squares in 2 ways, for example, as 1306449 + 97969 = 1143^2 + 313^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546 + ... + 1762.

2^1404418 is an apocalyptic number.

1404418 is a deficient number, since it is larger than the sum of its proper divisors (707594).

1404418 is a wasteful number, since it uses less digits than its factorization.

1404418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 1404418 is about 1185.0814318012. The cubic root of 1404418 is about 111.9864460639.

Adding to 1404418 its reverse (8144041), we get a palindrome (9548459).

The spelling of 1404418 in words is "one million, four hundred four thousand, four hundred eighteen".