1841018 has 4 divisors (see below), whose sum is σ = 2761530. Its totient is φ = 920508.

The previous prime is 1841011. The next prime is 1841039. The reversal of 1841018 is 8101481.

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

It can be written as a sum of positive squares in only one way, i.e., 1760929 + 80089 = 1327^2 + 283^2 .

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1840984 and 1841002.

It is not an unprimeable number, because it can be changed into a prime (1841011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460253 + ... + 460256.

2^1841018 is an apocalyptic number.

1841018 is a deficient number, since it is larger than the sum of its proper divisors (920512).

1841018 is an equidigital number, since it uses as much as digits as its factorization.

1841018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920511.

The product of its (nonzero) digits is 256, while the sum is 23.

The square root of 1841018 is about 1356.8411845164. The cubic root of 1841018 is about 122.5611079264.

Adding to 1841018 its reverse (8101481), we get a palindrome (9942499).

The spelling of 1841018 in words is "one million, eight hundred forty-one thousand, eighteen".