2408605 has 4 divisors (see below), whose sum is σ = 2890332. Its totient is φ = 1926880.

The previous prime is 2408603. The next prime is 2408639. The reversal of 2408605 is 5068042.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1490841 + 917764 = 1221^2 + 958^2 .

It is not a de Polignac number, because 2408605 - 2¹ = 2408603 is a prime.

It is a Duffinian number.

2408605 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2408605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2408603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240856 + ... + 240865.

It is an arithmetic number, because the mean of its divisors is an integer number (722583).

2^2408605 is an apocalyptic number.

It is an amenable number.

2408605 is a deficient number, since it is larger than the sum of its proper divisors (481727).

2408605 is an equidigital number, since it uses as much as digits as its factorization.

2408605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481726.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2408605 is about 1551.9681053424. The cubic root of 2408605 is about 134.0464122290.

The spelling of 2408605 in words is "two million, four hundred eight thousand, six hundred five".