2018887 has 4 divisors (see below), whose sum is σ = 2174200. Its totient is φ = 1863576.

The previous prime is 2018873. The next prime is 2018897. The reversal of 2018887 is 7888102.

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

It is not a de Polignac number, because 2018887 - 2¹⁹ = 1494599 is a prime.

It is a Duffinian number.

2018887 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018827) 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, 77637 + ... + 77662.

It is an arithmetic number, because the mean of its divisors is an integer number (543550).

2^2018887 is an apocalyptic number.

2018887 is a deficient number, since it is larger than the sum of its proper divisors (155313).

2018887 is a wasteful number, since it uses less digits than its factorization.

2018887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155312.

The product of its (nonzero) digits is 7168, while the sum is 34.

The square root of 2018887 is about 1420.8754343714. The cubic root of 2018887 is about 126.3874652087.

The spelling of 2018887 in words is "two million, eighteen thousand, eight hundred eighty-seven".