1818418 has 8 divisors (see below), whose sum is σ = 3117312. Its totient is φ = 779316.

The previous prime is 1818413. The next prime is 1818419. The reversal of 1818418 is 8148181.

1818418 is nontrivially palindromic in base 13.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1818418.

It is not an unprimeable number, because it can be changed into a prime (1818413) 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, 64930 + ... + 64957.

It is an arithmetic number, because the mean of its divisors is an integer number (389664).

2^1818418 is an apocalyptic number.

1818418 is a deficient number, since it is larger than the sum of its proper divisors (1298894).

1818418 is a wasteful number, since it uses less digits than its factorization.

1818418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129896.

The product of its digits is 2048, while the sum is 31.

The square root of 1818418 is about 1348.4873006447. The cubic root of 1818418 is about 122.0575290804.

The spelling of 1818418 in words is "one million, eight hundred eighteen thousand, four hundred eighteen".