1404308 has 6 divisors (see below), whose sum is σ = 2457546. Its totient is φ = 702152.

The previous prime is 1404289. The next prime is 1404323. The reversal of 1404308 is 8034041.

It can be written as a sum of positive squares in only one way, i.e., 925444 + 478864 = 962^2 + 692^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1404308.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 175535 + ... + 175542.

It is an arithmetic number, because the mean of its divisors is an integer number (409591).

2^1404308 is an apocalyptic number.

It is an amenable number.

1404308 is a deficient number, since it is larger than the sum of its proper divisors (1053238).

1404308 is a wasteful number, since it uses less digits than its factorization.

1404308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351081 (or 351079 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1404308 is about 1185.0350205796. The cubic root of 1404308 is about 111.9835222357.

Adding to 1404308 its reverse (8034041), we get a palindrome (9438349).

The spelling of 1404308 in words is "one million, four hundred four thousand, three hundred eight".