1814418 has 12 divisors (see below), whose sum is σ = 3931278. Its totient is φ = 604800.

The previous prime is 1814413. The next prime is 1814429. The reversal of 1814418 is 8144181.

It can be written as a sum of positive squares in only one way, i.e., 1814409 + 9 = 1347^2 + 3^2 .

It is a super-2 number, since 2×1814418² = 6584225357448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1814391 and 1814400.

It is not an unprimeable number, because it can be changed into a prime (1814413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50383 + ... + 50418.

2^1814418 is an apocalyptic number.

1814418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1814418 is an abundant number, since it is smaller than the sum of its proper divisors (2116860).

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

1814418 is a wasteful number, since it uses less digits than its factorization.

1814418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100809 (or 100806 counting only the distinct ones).

The product of its digits is 1024, while the sum is 27.

The square root of 1814418 is about 1347.0033407531. The cubic root of 1814418 is about 121.9679661483.

Adding to 1814418 its reverse (8144181), we get a palindrome (9958599).

The spelling of 1814418 in words is "one million, eight hundred fourteen thousand, four hundred eighteen".