1404304 has 40 divisors (see below), whose sum is σ = 3035520. Its totient is φ = 624000.

The previous prime is 1404289. The next prime is 1404323. The reversal of 1404304 is 4034041.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13854 + ... + 13954.

It is an arithmetic number, because the mean of its divisors is an integer number (75888).

2^1404304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1404304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1517760).

1404304 is an abundant number, since it is smaller than the sum of its proper divisors (1631216).

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

1404304 is a wasteful number, since it uses less digits than its factorization.

1404304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 193 counting only the distinct ones).

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

The square root of 1404304 is about 1185.0333328645. The cubic root of 1404304 is about 111.9834159118.

Adding to 1404304 its reverse (4034041), we get a palindrome (5438345).

It can be divided in two parts, 140 and 4304, that added together give a palindrome (4444).

The spelling of 1404304 in words is "one million, four hundred four thousand, three hundred four".