3204444021 has 32 divisors (see below), whose sum is σ = 4406688000. Its totient is φ = 2070655488.

The previous prime is 3204443999. The next prime is 3204444037. The reversal of 3204444021 is 1204444023.

It is a happy number.

It is not a de Polignac number, because 3204444021 - 2¹⁵ = 3204411253 is a prime.

It is a super-2 number, since 2×3204444021² = 20536922967445296882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3204443982 and 3204444000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3204449021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2997075 + ... + 2998143.

It is an arithmetic number, because the mean of its divisors is an integer number (137709000).

Almost surely, 2^3204444021 is an apocalyptic number.

It is an amenable number.

3204444021 is a deficient number, since it is larger than the sum of its proper divisors (1202243979).

3204444021 is a wasteful number, since it uses less digits than its factorization.

3204444021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 3204444021 is about 56607.8088341176. The cubic root of 3204444021 is about 1474.2944469695.

Adding to 3204444021 its reverse (1204444023), we get a palindrome (4408888044).

The spelling of 3204444021 in words is "three billion, two hundred four million, four hundred forty-four thousand, twenty-one".