2859385 has 4 divisors (see below), whose sum is σ = 3431268. Its totient is φ = 2287504.

The previous prime is 2859377. The next prime is 2859391. The reversal of 2859385 is 5839582.

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 1301881 + 1557504 = 1141^2 + 1248^2 .

It is a cyclic number.

It is not a de Polignac number, because 2859385 - 2³ = 2859377 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285934 + ... + 285943.

It is an arithmetic number, because the mean of its divisors is an integer number (857817).

2^2859385 is an apocalyptic number.

It is an amenable number.

2859385 is a deficient number, since it is larger than the sum of its proper divisors (571883).

2859385 is an equidigital number, since it uses as much as digits as its factorization.

2859385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571882.

The product of its digits is 86400, while the sum is 40.

The square root of 2859385 is about 1690.9716141911. The cubic root of 2859385 is about 141.9354497328.

The spelling of 2859385 in words is "two million, eight hundred fifty-nine thousand, three hundred eighty-five".