1816912 has 10 divisors (see below), whose sum is σ = 3520298. Its totient is φ = 908448.

The previous prime is 1816901. The next prime is 1816933. The reversal of 1816912 is 2196181.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1263376 + 553536 = 1124^2 + 744^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56763 + ... + 56794.

2^1816912 is an apocalyptic number.

It is an amenable number.

1816912 is a deficient number, since it is larger than the sum of its proper divisors (1703386).

1816912 is a wasteful number, since it uses less digits than its factorization.

1816912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113565 (or 113559 counting only the distinct ones).

The product of its digits is 864, while the sum is 28.

The square root of 1816912 is about 1347.9287815015. The cubic root of 1816912 is about 122.0238240672.

It can be divided in two parts, 18169 and 12, that added together give a palindrome (18181).

The spelling of 1816912 in words is "one million, eight hundred sixteen thousand, nine hundred twelve".