1404306 has 12 divisors (see below), whose sum is σ = 3042702. Its totient is φ = 468096.

The previous prime is 1404289. The next prime is 1404323. The reversal of 1404306 is 6034041.

It is an interprime number because it is at equal distance from previous prime (1404289) and next prime (1404323).

It can be written as a sum of positive squares in only one way, i.e., 1404225 + 81 = 1185^2 + 9^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 78017 = 1404306 / (1 + 4 + 0 + 4 + 3 + 0 + 6).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 38991 + ... + 39026.

2^1404306 is an apocalyptic number.

1404306 is an abundant number, since it is smaller than the sum of its proper divisors (1638396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1404306 is a wasteful number, since it uses less digits than its factorization.

1404306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78025 (or 78022 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1404306 is about 1185.0341767223. The cubic root of 1404306 is about 111.9834690738.

Adding to 1404306 its reverse (6034041), we get a palindrome (7438347).

The spelling of 1404306 in words is "one million, four hundred four thousand, three hundred six".