2018979 has 32 divisors (see below), whose sum is σ = 3210240. Its totient is φ = 1251936.

The previous prime is 2018957. The next prime is 2018981. The reversal of 2018979 is 9798102.

It is a happy number.

It is not a de Polignac number, because 2018979 - 2⁷ = 2018851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2014979) 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 31 ways as a sum of consecutive naturals, for example, 42934 + ... + 42980.

It is an arithmetic number, because the mean of its divisors is an integer number (100320).

2^2018979 is an apocalyptic number.

2018979 is a deficient number, since it is larger than the sum of its proper divisors (1191261).

2018979 is a wasteful number, since it uses less digits than its factorization.

2018979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 2018979 is about 1420.9078084098. The cubic root of 2018979 is about 126.3893849909.

It can be divided in two parts, 201 and 8979, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 2018979 in words is "two million, eighteen thousand, nine hundred seventy-nine".