2855583 has 12 divisors (see below), whose sum is σ = 4168528. Its totient is φ = 1883520.

The previous prime is 2855581. The next prime is 2855591. The reversal of 2855583 is 3855582.

2855583 is a `hidden beast` number, since 28 + 55 + 583 = 666.

It is not a de Polignac number, because 2855583 - 2¹ = 2855581 is a prime.

It is a Duffinian number.

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 (2855581) 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 11 ways as a sum of consecutive naturals, for example, 763 + ... + 2508.

2^2855583 is an apocalyptic number.

2855583 is a deficient number, since it is larger than the sum of its proper divisors (1312945).

2855583 is a wasteful number, since it uses less digits than its factorization.

2855583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374 (or 3371 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 2855583 is about 1689.8470344975. The cubic root of 2855583 is about 141.8725133631.

Subtracting 2855583 from its reverse (3855582), we obtain a palindrome (999999).

It can be divided in two parts, 28 and 55583, that added together give a triangular number (55611 = T₃₃₃).

The spelling of 2855583 in words is "two million, eight hundred fifty-five thousand, five hundred eighty-three".