1404344321 has 16 divisors (see below), whose sum is σ = 1508947200. Its totient is φ = 1303041168.

The previous prime is 1404344317. The next prime is 1404344323. The reversal of 1404344321 is 1234434041.

It is a cyclic number.

It is not a de Polignac number, because 1404344321 - 2² = 1404344317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1404344323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224786 + ... + 230948.

It is an arithmetic number, because the mean of its divisors is an integer number (94309200).

Almost surely, 2^1404344321 is an apocalyptic number.

It is an amenable number.

1404344321 is a deficient number, since it is larger than the sum of its proper divisors (104602879).

1404344321 is a wasteful number, since it uses less digits than its factorization.

1404344321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6428.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1404344321 is about 37474.5823325624. The cubic root of 1404344321 is about 1119.8448767409.

Adding to 1404344321 its reverse (1234434041), we get a palindrome (2638778362).

The spelling of 1404344321 in words is "one billion, four hundred four million, three hundred forty-four thousand, three hundred twenty-one".