1816468 has 12 divisors (see below), whose sum is σ = 3194100. Its totient is φ = 903872.

The previous prime is 1816453. The next prime is 1816489. The reversal of 1816468 is 8646181.

It can be written as a sum of positive squares in 2 ways, for example, as 917764 + 898704 = 958^2 + 948^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 43 + ... + 1906.

It is an arithmetic number, because the mean of its divisors is an integer number (266175).

2^1816468 is an apocalyptic number.

It is an amenable number.

1816468 is a deficient number, since it is larger than the sum of its proper divisors (1377632).

1816468 is a wasteful number, since it uses less digits than its factorization.

1816468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186 (or 2184 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 1816468 is about 1347.7640743097. The cubic root of 1816468 is about 122.0138835763.

The spelling of 1816468 in words is "one million, eight hundred sixteen thousand, four hundred sixty-eight".