2018842 has 8 divisors (see below), whose sum is σ = 3460896. Its totient is φ = 865212.

The previous prime is 2018837. The next prime is 2018843. The reversal of 2018842 is 2488102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2018843) 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, 72088 + ... + 72115.

It is an arithmetic number, because the mean of its divisors is an integer number (432612).

2^2018842 is an apocalyptic number.

2018842 is a deficient number, since it is larger than the sum of its proper divisors (1442054).

2018842 is a wasteful number, since it uses less digits than its factorization.

2018842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144212.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 2018842 is about 1420.8595989752. The cubic root of 2018842 is about 126.3865261635.

The spelling of 2018842 in words is "two million, eighteen thousand, eight hundred forty-two".