1816036 has 6 divisors (see below), whose sum is σ = 3178070. Its totient is φ = 908016.

The previous prime is 1816027. The next prime is 1816051. The reversal of 1816036 is 6306181.

It can be written as a sum of positive squares in only one way, i.e., 1166400 + 649636 = 1080^2 + 806^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1816036.

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 as a sum of consecutive naturals, namely, 227001 + ... + 227008.

2^1816036 is an apocalyptic number.

It is an amenable number.

1816036 is a deficient number, since it is larger than the sum of its proper divisors (1362034).

1816036 is a wasteful number, since it uses less digits than its factorization.

1816036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454013 (or 454011 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1816036 is about 1347.6037993416. The cubic root of 1816036 is about 122.0042101924.

The spelling of 1816036 in words is "one million, eight hundred sixteen thousand, thirty-six".