2873215 has 4 divisors (see below), whose sum is σ = 3447864. Its totient is φ = 2298568.

The previous prime is 2873209. The next prime is 2873231. The reversal of 2873215 is 5123782.

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

It is a cyclic number.

It is not a de Polignac number, because 2873215 - 2⁹ = 2872703 is a prime.

It is a Duffinian number.

2873215 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 287317 + ... + 287326.

It is an arithmetic number, because the mean of its divisors is an integer number (861966).

2^2873215 is an apocalyptic number.

2873215 is a deficient number, since it is larger than the sum of its proper divisors (574649).

2873215 is an equidigital number, since it uses as much as digits as its factorization.

2873215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574648.

The product of its digits is 3360, while the sum is 28.

The square root of 2873215 is about 1695.0560462710. The cubic root of 2873215 is about 142.1639150593.

Adding to 2873215 its reverse (5123782), we get a palindrome (7996997).

The spelling of 2873215 in words is "two million, eight hundred seventy-three thousand, two hundred fifteen".