2606605 has 8 divisors (see below), whose sum is σ = 3168000. Its totient is φ = 2058576.

The previous prime is 2606603. The next prime is 2606633. The reversal of 2606605 is 5066062.

2606605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2606605 - 2¹ = 2606603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2606605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2606603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2905 + ... + 3694.

It is an arithmetic number, because the mean of its divisors is an integer number (396000).

2^2606605 is an apocalyptic number.

It is an amenable number.

2606605 is a deficient number, since it is larger than the sum of its proper divisors (561395).

2606605 is an equidigital number, since it uses as much as digits as its factorization.

2606605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6683.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2606605 is about 1614.4983741088. The cubic root of 2606605 is about 137.6232283719.

The spelling of 2606605 in words is "two million, six hundred six thousand, six hundred five".