2853873 has 20 divisors (see below), whose sum is σ = 4652208. Its totient is φ = 1729080.

The previous prime is 2853871. The next prime is 2853881. The reversal of 2853873 is 3783582.

It is not a de Polignac number, because 2853873 - 2¹ = 2853871 is a prime.

It is a super-2 number, since 2×2853873² = 16289182200258, which contains 22 as substring.

It is a Curzon number.

2853873 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2853871) 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 19 ways as a sum of consecutive naturals, for example, 711 + ... + 2492.

2^2853873 is an apocalyptic number.

It is an amenable number.

2853873 is a deficient number, since it is larger than the sum of its proper divisors (1798335).

2853873 is a wasteful number, since it uses less digits than its factorization.

2853873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3226 (or 3217 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 2853873 is about 1689.3409957732. The cubic root of 2853873 is about 141.8441886813.

It can be divided in two parts, 285387 and 3, that added together give a triangular number (285390 = T₇₅₅).

The spelling of 2853873 in words is "two million, eight hundred fifty-three thousand, eight hundred seventy-three".