2018999 has 4 divisors (see below), whose sum is σ = 2084160. Its totient is φ = 1953840.

The previous prime is 2018993. The next prime is 2019001. The reversal of 2018999 is 9998102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2018999 - 2¹⁶ = 1953463 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 (2018993) 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, 32534 + ... + 32595.

It is an arithmetic number, because the mean of its divisors is an integer number (521040).

2^2018999 is an apocalyptic number.

2018999 is a deficient number, since it is larger than the sum of its proper divisors (65161).

2018999 is an equidigital number, since it uses as much as digits as its factorization.

2018999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65160.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 2018999 is about 1420.9148461467. The cubic root of 2018999 is about 126.3898023272.

The spelling of 2018999 in words is "two million, eighteen thousand, nine hundred ninety-nine".