3204421 has 8 divisors (see below), whose sum is σ = 3508704. Its totient is φ = 2902320.

The previous prime is 3204419. The next prime is 3204451. The reversal of 3204421 is 1244023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3204421 - 2¹ = 3204419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3204395 and 3204404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3204401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5475 + ... + 6031.

It is an arithmetic number, because the mean of its divisors is an integer number (438588).

Almost surely, 2^3204421 is an apocalyptic number.

It is an amenable number.

3204421 is a deficient number, since it is larger than the sum of its proper divisors (304283).

3204421 is a wasteful number, since it uses less digits than its factorization.

3204421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091.

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

The square root of 3204421 is about 1790.0896625588. The cubic root of 3204421 is about 147.4290916475.

Adding to 3204421 its reverse (1244023), we get a palindrome (4448444).

The spelling of 3204421 in words is "three million, two hundred four thousand, four hundred twenty-one".