1338018 has 48 divisors (see below), whose sum is σ = 3128160. Its totient is φ = 380160.

The previous prime is 1338013. The next prime is 1338041. The reversal of 1338018 is 8108331.

It is not an unprimeable number, because it can be changed into a prime (1338013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13746 + ... + 13842.

It is an arithmetic number, because the mean of its divisors is an integer number (65170).

2^1338018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1338018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1564080).

1338018 is an abundant number, since it is smaller than the sum of its proper divisors (1790142).

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

1338018 is a wasteful number, since it uses less digits than its factorization.

1338018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1338018 is about 1156.7272798720. The cubic root of 1338018 is about 110.1929945272.

The spelling of 1338018 in words is "one million, three hundred thirty-eight thousand, eighteen".