8204845 has 16 divisors (see below), whose sum is σ = 10802880. Its totient is φ = 5932800.

The previous prime is 8204843. The next prime is 8204849. The reversal of 8204845 is 5484028.

It is not a de Polignac number, because 8204845 - 2¹ = 8204843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8204843) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12946 + ... + 13564.

It is an arithmetic number, because the mean of its divisors is an integer number (675180).

Almost surely, 2^8204845 is an apocalyptic number.

It is an amenable number.

8204845 is a deficient number, since it is larger than the sum of its proper divisors (2598035).

8204845 is a wasteful number, since it uses less digits than its factorization.

8204845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876.

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 8204845 is about 2864.4100614263. The cubic root of 8204845 is about 201.6926755002.

It can be divided in two parts, 820 and 4845, that added together give a palindrome (5665).

The spelling of 8204845 in words is "eight million, two hundred four thousand, eight hundred forty-five".