2236985 has 8 divisors (see below), whose sum is σ = 2730240. Its totient is φ = 1759024.

The previous prime is 2236981. The next prime is 2236987. The reversal of 2236985 is 5896322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2236985 - 2² = 2236981 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 2¹⁷ + 3⁹ + 6⁴ + 9³ + 8 + 5⁹ .

It is a Curzon number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2236981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3497 + ... + 4086.

It is an arithmetic number, because the mean of its divisors is an integer number (341280).

2^2236985 is an apocalyptic number.

It is an amenable number.

2236985 is a deficient number, since it is larger than the sum of its proper divisors (493255).

2236985 is an equidigital number, since it uses as much as digits as its factorization.

2236985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7647.

The product of its digits is 25920, while the sum is 35.

The square root of 2236985 is about 1495.6553747438. The cubic root of 2236985 is about 130.7839220918.

The spelling of 2236985 in words is "two million, two hundred thirty-six thousand, nine hundred eighty-five".