1004324421 has 4 divisors (see below), whose sum is σ = 1339099232. Its totient is φ = 669549612.

The previous prime is 1004324359. The next prime is 1004324441. The reversal of 1004324421 is 1244234001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1004324421 - 2⁶ = 1004324357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004324441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167387401 + ... + 167387406.

It is an arithmetic number, because the mean of its divisors is an integer number (334774808).

Almost surely, 2^1004324421 is an apocalyptic number.

It is an amenable number.

1004324421 is a deficient number, since it is larger than the sum of its proper divisors (334774811).

1004324421 is an equidigital number, since it uses as much as digits as its factorization.

1004324421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334774810.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1004324421 is about 31691.0779400133. The cubic root of 1004324421 is about 1001.4394007979.

Adding to 1004324421 its reverse (1244234001), we get a palindrome (2248558422).

The spelling of 1004324421 in words is "one billion, four million, three hundred twenty-four thousand, four hundred twenty-one".