2018279 has 4 divisors (see below), whose sum is σ = 2039184. Its totient is φ = 1997376.

The previous prime is 2018251. The next prime is 2018281. The reversal of 2018279 is 9728102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9728102 = 2 ⋅4864051.

It is a cyclic number.

It is not a de Polignac number, because 2018279 - 2¹² = 2014183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018249) 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, 10307 + ... + 10500.

It is an arithmetic number, because the mean of its divisors is an integer number (509796).

2^2018279 is an apocalyptic number.

2018279 is a deficient number, since it is larger than the sum of its proper divisors (20905).

2018279 is an equidigital number, since it uses as much as digits as its factorization.

2018279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20904.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 2018279 is about 1420.6614656561. The cubic root of 2018279 is about 126.3747764856.

The spelling of 2018279 in words is "two million, eighteen thousand, two hundred seventy-nine".