2018943 has 6 divisors (see below), whose sum is σ = 2916264. Its totient is φ = 1345956.

The previous prime is 2018927. The next prime is 2018953. The reversal of 2018943 is 3498102.

It is not a de Polignac number, because 2018943 - 2⁴ = 2018927 is a prime.

It is a super-2 number, since 2×2018943² = 8152261674498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112155 + ... + 112172.

It is an arithmetic number, because the mean of its divisors is an integer number (486044).

2^2018943 is an apocalyptic number.

2018943 is a deficient number, since it is larger than the sum of its proper divisors (897321).

2018943 is a wasteful number, since it uses less digits than its factorization.

2018943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224333 (or 224330 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2018943 is about 1420.8951403957. The cubic root of 2018943 is about 126.3886337787.

The spelling of 2018943 in words is "two million, eighteen thousand, nine hundred forty-three".