1814818 has 8 divisors (see below), whose sum is σ = 2882412. Its totient is φ = 854016.

The previous prime is 1814809. The next prime is 1814819. The reversal of 1814818 is 8184181.

It can be written as a sum of positive squares in 2 ways, for example, as 1361889 + 452929 = 1167^2 + 673^2 .

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 1814818.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1814819) 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, 26655 + ... + 26722.

2^1814818 is an apocalyptic number.

1814818 is a deficient number, since it is larger than the sum of its proper divisors (1067594).

1814818 is a wasteful number, since it uses less digits than its factorization.

1814818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53396.

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

The square root of 1814818 is about 1347.1518103020. The cubic root of 1814818 is about 121.9769283613.

Adding to 1814818 its reverse (8184181), we get a palindrome (9998999).

The spelling of 1814818 in words is "one million, eight hundred fourteen thousand, eight hundred eighteen".