2648205 has 36 divisors (see below), whose sum is σ = 5344092. Its totient is φ = 1209600.

The previous prime is 2648189. The next prime is 2648207. The reversal of 2648205 is 5028462.

It can be written as a sum of positive squares in 2 ways, for example, as 298116 + 2350089 = 546^2 + 1533^2 .

It is not a de Polignac number, because 2648205 - 2⁴ = 2648189 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2648207) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1605 + ... + 2805.

It is an arithmetic number, because the mean of its divisors is an integer number (148447).

2^2648205 is an apocalyptic number.

It is an amenable number.

2648205 is an abundant number, since it is smaller than the sum of its proper divisors (2695887).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2648205 is a wasteful number, since it uses less digits than its factorization.

2648205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226 (or 1216 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2648205 is about 1627.3306363490. The cubic root of 2648205 is about 138.3514983968.

The spelling of 2648205 in words is "two million, six hundred forty-eight thousand, two hundred five".