3204845 has 24 divisors (see below), whose sum is σ = 4552704. Its totient is φ = 2159136.

The previous prime is 3204827. The next prime is 3204853. The reversal of 3204845 is 5484023.

It is not a de Polignac number, because 3204845 - 2⁶ = 3204781 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25172 + ... + 25298.

It is an arithmetic number, because the mean of its divisors is an integer number (189696).

Almost surely, 2^3204845 is an apocalyptic number.

3204845 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3204845 is a deficient number, since it is larger than the sum of its proper divisors (1347859).

3204845 is a wasteful number, since it uses less digits than its factorization.

3204845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 3204845 is about 1790.2080884635. The cubic root of 3204845 is about 147.4355938287.

Adding to 3204845 its reverse (5484023), we get a palindrome (8688868).

The spelling of 3204845 in words is "three million, two hundred four thousand, eight hundred forty-five".