2606555 has 12 divisors (see below), whose sum is σ = 3638880. Its totient is φ = 1787184.

The previous prime is 2606551. The next prime is 2606579. The reversal of 2606555 is 5556062.

It is not a de Polignac number, because 2606555 - 2² = 2606551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2606551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5075 + ... + 5564.

It is an arithmetic number, because the mean of its divisors is an integer number (303240).

2^2606555 is an apocalyptic number.

2606555 is a deficient number, since it is larger than the sum of its proper divisors (1032325).

2606555 is a wasteful number, since it uses less digits than its factorization.

2606555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10658 (or 10651 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 2606555 is about 1614.4828893488. The cubic root of 2606555 is about 137.6223484016.

The spelling of 2606555 in words is "two million, six hundred six thousand, five hundred fifty-five".