2804205 has 8 divisors (see below), whose sum is σ = 4486752. Its totient is φ = 1495568.

The previous prime is 2804203. The next prime is 2804209. The reversal of 2804205 is 5024082.

2804205 is nontrivially palindromic in base 14.

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

It is a cyclic number.

It is not a de Polignac number, because 2804205 - 2¹ = 2804203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2804203) 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 7 ways as a sum of consecutive naturals, for example, 93459 + ... + 93488.

It is an arithmetic number, because the mean of its divisors is an integer number (560844).

2^2804205 is an apocalyptic number.

It is an amenable number.

2804205 is a deficient number, since it is larger than the sum of its proper divisors (1682547).

2804205 is a wasteful number, since it uses less digits than its factorization.

2804205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186955.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2804205 is about 1674.5760657552. The cubic root of 2804205 is about 141.0164962340.

Adding to 2804205 its reverse (5024082), we get a palindrome (7828287).

The spelling of 2804205 in words is "two million, eight hundred four thousand, two hundred five".