2018849 has 6 divisors (see below), whose sum is σ = 2348514. Its totient is φ = 1730400.

The previous prime is 2018843. The next prime is 2018851. The reversal of 2018849 is 9488102.

2018849 = T₁₅₂ + T₁₅₃ + ... + T₂₄₉.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1940449 + 78400 = 1393^2 + 280^2 .

It is not a de Polignac number, because 2018849 - 2⁸ = 2018593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2018843) 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 5 ways as a sum of consecutive naturals, for example, 20552 + ... + 20649.

It is an arithmetic number, because the mean of its divisors is an integer number (391419).

2^2018849 is an apocalyptic number.

It is an amenable number.

2018849 is a deficient number, since it is larger than the sum of its proper divisors (329665).

2018849 is an equidigital number, since it uses as much as digits as its factorization.

2018849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41215 (or 41208 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 2018849 is about 1420.8620622706. The cubic root of 2018849 is about 126.3866722381.

The spelling of 2018849 in words is "two million, eighteen thousand, eight hundred forty-nine".