2664205 has 8 divisors (see below), whose sum is σ = 3336192. Its totient is φ = 2038608.

The previous prime is 2664203. The next prime is 2664227. The reversal of 2664205 is 5024662.

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 2664205 - 2¹ = 2664203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2664205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664203) 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, 11469 + ... + 11698.

It is an arithmetic number, because the mean of its divisors is an integer number (417024).

2^2664205 is an apocalyptic number.

It is an amenable number.

2664205 is a deficient number, since it is larger than the sum of its proper divisors (671987).

2664205 is a wasteful number, since it uses less digits than its factorization.

2664205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23195.

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

The square root of 2664205 is about 1632.2392594225. The cubic root of 2664205 is about 138.6295711249.

Adding to 2664205 its reverse (5024662), we get a palindrome (7688867).

The spelling of 2664205 in words is "two million, six hundred sixty-four thousand, two hundred five".