2286985 has 4 divisors (see below), whose sum is σ = 2744388. Its totient is φ = 1829584.

The previous prime is 2286983. The next prime is 2286989. The reversal of 2286985 is 5896822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5896822 = 2 ⋅2948411.

It can be written as a sum of positive squares in 2 ways, for example, as 781456 + 1505529 = 884^2 + 1227^2 .

It is a cyclic number.

It is not a de Polignac number, because 2286985 - 2¹ = 2286983 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 not an unprimeable number, because it can be changed into a prime (2286983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228694 + ... + 228703.

It is an arithmetic number, because the mean of its divisors is an integer number (686097).

2^2286985 is an apocalyptic number.

It is an amenable number.

2286985 is a deficient number, since it is larger than the sum of its proper divisors (457403).

2286985 is an equidigital number, since it uses as much as digits as its factorization.

2286985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457402.

The product of its digits is 69120, while the sum is 40.

The square root of 2286985 is about 1512.2780828935. The cubic root of 2286985 is about 131.7511572931.

The spelling of 2286985 in words is "two million, two hundred eighty-six thousand, nine hundred eighty-five".