2018459 has 4 divisors (see below), whose sum is σ = 2046960. Its totient is φ = 1989960.

The previous prime is 2018453. The next prime is 2018483. The reversal of 2018459 is 9548102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9548102 = 2 ⋅4774051.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2018459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2018453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14144 + ... + 14285.

It is an arithmetic number, because the mean of its divisors is an integer number (511740).

2^2018459 is an apocalyptic number.

2018459 is a deficient number, since it is larger than the sum of its proper divisors (28501).

2018459 is an equidigital number, since it uses as much as digits as its factorization.

2018459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28500.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 2018459 is about 1420.7248150152. The cubic root of 2018459 is about 126.3785332810.

The spelling of 2018459 in words is "two million, eighteen thousand, four hundred fifty-nine".