2018441 has 4 divisors (see below), whose sum is σ = 2083584. Its totient is φ = 1953300.

The previous prime is 2018437. The next prime is 2018447. The reversal of 2018441 is 1448102.

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 2018441 - 2² = 2018437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2018447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32525 + ... + 32586.

It is an arithmetic number, because the mean of its divisors is an integer number (520896).

2^2018441 is an apocalyptic number.

It is an amenable number.

2018441 is a deficient number, since it is larger than the sum of its proper divisors (65143).

2018441 is an equidigital number, since it uses as much as digits as its factorization.

2018441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65142.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 2018441 is about 1420.7184802064. The cubic root of 2018441 is about 126.3781576115.

The spelling of 2018441 in words is "two million, eighteen thousand, four hundred forty-one".