2286385 has 4 divisors (see below), whose sum is σ = 2743668. Its totient is φ = 1829104.

The previous prime is 2286379. The next prime is 2286437. The reversal of 2286385 is 5836822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5836822 = 2 ⋅2918411.

It can be written as a sum of positive squares in 2 ways, for example, as 665856 + 1620529 = 816^2 + 1273^2 .

It is a cyclic number.

It is not a de Polignac number, because 2286385 - 2³ = 2286377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2286385.

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, 228634 + ... + 228643.

It is an arithmetic number, because the mean of its divisors is an integer number (685917).

2^2286385 is an apocalyptic number.

It is an amenable number.

2286385 is a deficient number, since it is larger than the sum of its proper divisors (457283).

2286385 is an equidigital number, since it uses as much as digits as its factorization.

2286385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457282.

The product of its digits is 23040, while the sum is 34.

The square root of 2286385 is about 1512.0796936670. The cubic root of 2286385 is about 131.7396344645.

The spelling of 2286385 in words is "two million, two hundred eighty-six thousand, three hundred eighty-five".