3204385 has 8 divisors (see below), whose sum is σ = 3949416. Its totient is φ = 2494080.

The previous prime is 3204373. The next prime is 3204389. The reversal of 3204385 is 5834023.

It can be written as a sum of positive squares in 4 ways, for example, as 567009 + 2637376 = 753^2 + 1624^2 .

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

It is not a de Polignac number, because 3204385 - 2¹¹ = 3202337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3204389) 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, 8476 + ... + 8845.

It is an arithmetic number, because the mean of its divisors is an integer number (493677).

Almost surely, 2^3204385 is an apocalyptic number.

It is an amenable number.

3204385 is a deficient number, since it is larger than the sum of its proper divisors (745031).

3204385 is a wasteful number, since it uses less digits than its factorization.

3204385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17363.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 3204385 is about 1790.0796071684. The cubic root of 3204385 is about 147.4285395491.

The spelling of 3204385 in words is "three million, two hundred four thousand, three hundred eighty-five".