2855655 has 40 divisors (see below), whose sum is σ = 5593104. Its totient is φ = 1382400.

The previous prime is 2855653. The next prime is 2855683. The reversal of 2855655 is 5565582.

It is not a de Polignac number, because 2855655 - 2¹ = 2855653 is a prime.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4135 + ... + 4775.

2^2855655 is an apocalyptic number.

2855655 is a deficient number, since it is larger than the sum of its proper divisors (2737449).

2855655 is a wasteful number, since it uses less digits than its factorization.

2855655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669 (or 660 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The square root of 2855655 is about 1689.8683380666. The cubic root of 2855655 is about 141.8737057332.

The spelling of 2855655 in words is "two million, eight hundred fifty-five thousand, six hundred fifty-five".