3204820 has 24 divisors (see below), whose sum is σ = 7023744. Its totient is φ = 1226016.

The previous prime is 3204809. The next prime is 3204827. The reversal of 3204820 is 284023.

It is a happy number.

3204820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3204827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3024 + ... + 3943.

It is an arithmetic number, because the mean of its divisors is an integer number (292656).

Almost surely, 2^3204820 is an apocalyptic number.

It is an amenable number.

3204820 is an abundant number, since it is smaller than the sum of its proper divisors (3818924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3204820 is a wasteful number, since it uses less digits than its factorization.

3204820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6999 (or 6997 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 3204820 is about 1790.2011060213. The cubic root of 3204820 is about 147.4352104613.

Adding to 3204820 its reverse (284023), we get a palindrome (3488843).

The spelling of 3204820 in words is "three million, two hundred four thousand, eight hundred twenty".