3204021 has 8 divisors (see below), whose sum is σ = 4313920. Its totient is φ = 2115072.

The previous prime is 3204013. The next prime is 3204029. The reversal of 3204021 is 1204023.

It is an interprime number because it is at equal distance from previous prime (3204013) and next prime (3204029).

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

It is not a de Polignac number, because 3204021 - 2³ = 3204013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3203988 and 3204006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3204029) 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, 4876 + ... + 5493.

It is an arithmetic number, because the mean of its divisors is an integer number (539240).

Almost surely, 2^3204021 is an apocalyptic number.

It is an amenable number.

3204021 is a deficient number, since it is larger than the sum of its proper divisors (1109899).

3204021 is a wasteful number, since it uses less digits than its factorization.

3204021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10475.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 3204021 is about 1789.9779328249. The cubic root of 3204021 is about 147.4229569885.

Adding to 3204021 its reverse (1204023), we get a palindrome (4408044).

The spelling of 3204021 in words is "three million, two hundred four thousand, twenty-one".