2855043 has 6 divisors (see below), whose sum is σ = 4123964. Its totient is φ = 1903356.

The previous prime is 2855033. The next prime is 2855051. The reversal of 2855043 is 3405582.

It is not a de Polignac number, because 2855043 - 2¹⁸ = 2592899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2854998 and 2855016.

It is not an unprimeable number, because it can be changed into a prime (2855003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 158605 + ... + 158622.

2^2855043 is an apocalyptic number.

2855043 is a deficient number, since it is larger than the sum of its proper divisors (1268921).

2855043 is a wasteful number, since it uses less digits than its factorization.

2855043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317233 (or 317230 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2855043 is about 1689.6872491677. The cubic root of 2855043 is about 141.8635699486.

The spelling of 2855043 in words is "two million, eight hundred fifty-five thousand, forty-three".