3204344021 has 4 divisors (see below), whose sum is σ = 3208075200. Its totient is φ = 3200612844.

The previous prime is 3204343997. The next prime is 3204344023. The reversal of 3204344021 is 1204434023.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1204434023 = 13 ⋅92648771.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3204344021 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 (3204344023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1864301 + ... + 1866018.

It is an arithmetic number, because the mean of its divisors is an integer number (802018800).

Almost surely, 2^3204344021 is an apocalyptic number.

It is an amenable number.

3204344021 is a deficient number, since it is larger than the sum of its proper divisors (3731179).

3204344021 is an equidigital number, since it uses as much as digits as its factorization.

3204344021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3731178.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 3204344021 is about 56606.9255568610. The cubic root of 3204344021 is about 1474.2791108740.

Adding to 3204344021 its reverse (1204434023), we get a palindrome (4408778044).

The spelling of 3204344021 in words is "three billion, two hundred four million, three hundred forty-four thousand, twenty-one".