3244021 has 4 divisors (see below), whose sum is σ = 3538944. Its totient is φ = 2949100.

The previous prime is 3244013. The next prime is 3244039. The reversal of 3244021 is 1204423.

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 3244021 - 2³ = 3244013 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3243986 and 3244004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3244001) 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, 147445 + ... + 147466.

It is an arithmetic number, because the mean of its divisors is an integer number (884736).

Almost surely, 2^3244021 is an apocalyptic number.

It is an amenable number.

3244021 is a deficient number, since it is larger than the sum of its proper divisors (294923).

3244021 is a wasteful number, since it uses less digits than its factorization.

3244021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294922.

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

The square root of 3244021 is about 1801.1165981135. The cubic root of 3244021 is about 148.0339129736.

Adding to 3244021 its reverse (1204423), we get a palindrome (4448444).

The spelling of 3244021 in words is "three million, two hundred forty-four thousand, twenty-one".