2185441 has 4 divisors (see below), whose sum is σ = 2190384. Its totient is φ = 2180500.

The previous prime is 2185439. The next prime is 2185471. The reversal of 2185441 is 1445812.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2185441 - 2¹ = 2185439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2185471) 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, 1735 + ... + 2716.

It is an arithmetic number, because the mean of its divisors is an integer number (547596).

2^2185441 is an apocalyptic number.

It is an amenable number.

2185441 is a deficient number, since it is larger than the sum of its proper divisors (4943).

2185441 is an equidigital number, since it uses as much as digits as its factorization.

2185441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4942.

The product of its digits is 1280, while the sum is 25.

The square root of 2185441 is about 1478.3237128586. The cubic root of 2185441 is about 129.7716108261.

The spelling of 2185441 in words is "two million, one hundred eighty-five thousand, four hundred forty-one".