2873855 has 8 divisors (see below), whose sum is σ = 3560064. Its totient is φ = 2224800.

The previous prime is 2873851. The next prime is 2873863. The reversal of 2873855 is 5583782.

2873855 = T₄₁₅ + T₄₁₆ + ... + T₄₄₅.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2873855 - 2² = 2873851 is a prime.

It is a super-2 number, since 2×2873855² = 16518085122050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2873851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9116 + ... + 9425.

It is an arithmetic number, because the mean of its divisors is an integer number (445008).

2^2873855 is an apocalyptic number.

2873855 is a deficient number, since it is larger than the sum of its proper divisors (686209).

2873855 is a wasteful number, since it uses less digits than its factorization.

2873855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18577.

The product of its digits is 67200, while the sum is 38.

The square root of 2873855 is about 1695.2448200776. The cubic root of 2873855 is about 142.1744698038.

The spelling of 2873855 in words is "two million, eight hundred seventy-three thousand, eight hundred fifty-five".