1842018 has 16 divisors (see below), whose sum is σ = 3900960. Its totient is φ = 577856.

The previous prime is 1842011. The next prime is 1842023. The reversal of 1842018 is 8102481.

It is not an unprimeable number, because it can be changed into a prime (1842011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8928 + ... + 9131.

It is an arithmetic number, because the mean of its divisors is an integer number (243810).

2^1842018 is an apocalyptic number.

1842018 is an abundant number, since it is smaller than the sum of its proper divisors (2058942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1842018 is a wasteful number, since it uses less digits than its factorization.

1842018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18081.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 1842018 is about 1357.2096374547. The cubic root of 1842018 is about 122.5832947317.

Adding to 1842018 its reverse (8102481), we get a palindrome (9944499).

The spelling of 1842018 in words is "one million, eight hundred forty-two thousand, eighteen".