2235985 has 4 divisors (see below), whose sum is σ = 2683188. Its totient is φ = 1788784.

The previous prime is 2235973. The next prime is 2235997. The reversal of 2235985 is 5895322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5895322 = 2 ⋅2947661.

It is an interprime number because it is at equal distance from previous prime (2235973) and next prime (2235997).

It can be written as a sum of positive squares in 2 ways, for example, as 278784 + 1957201 = 528^2 + 1399^2 .

It is a cyclic number.

It is not a de Polignac number, because 2235985 - 2¹¹ = 2233937 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 2235985.

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, 223594 + ... + 223603.

It is an arithmetic number, because the mean of its divisors is an integer number (670797).

2^2235985 is an apocalyptic number.

It is an amenable number.

2235985 is a deficient number, since it is larger than the sum of its proper divisors (447203).

2235985 is an equidigital number, since it uses as much as digits as its factorization.

2235985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447202.

The product of its digits is 21600, while the sum is 34.

The square root of 2235985 is about 1495.3210357646. The cubic root of 2235985 is about 130.7644310633.

The spelling of 2235985 in words is "two million, two hundred thirty-five thousand, nine hundred eighty-five".