2870873 has 4 divisors (see below), whose sum is σ = 2903220. Its totient is φ = 2838528.

The previous prime is 2870863. The next prime is 2870893. The reversal of 2870873 is 3780782.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 644809 + 2226064 = 803^2 + 1492^2 .

It is a cyclic number.

It is not a de Polignac number, because 2870873 - 2⁸ = 2870617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2870863) 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 3 ways as a sum of consecutive naturals, for example, 16040 + ... + 16217.

It is an arithmetic number, because the mean of its divisors is an integer number (725805).

2^2870873 is an apocalyptic number.

It is an amenable number.

2870873 is a deficient number, since it is larger than the sum of its proper divisors (32347).

2870873 is an equidigital number, since it uses as much as digits as its factorization.

2870873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32346.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 2870873 is about 1694.3650728223. The cubic root of 2870873 is about 142.1252779236.

Subtracting 2870873 from its reverse (3780782), we obtain a palindrome (909909).

The spelling of 2870873 in words is "two million, eight hundred seventy thousand, eight hundred seventy-three".