1816852 has 6 divisors (see below), whose sum is σ = 3179498. Its totient is φ = 908424.

The previous prime is 1816849. The next prime is 1816853. The reversal of 1816852 is 2586181.

It can be written as a sum of positive squares in only one way, i.e., 1449616 + 367236 = 1204^2 + 606^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1816853) by changing a digit.

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, 227103 + ... + 227110.

2^1816852 is an apocalyptic number.

It is an amenable number.

1816852 is a deficient number, since it is larger than the sum of its proper divisors (1362646).

1816852 is a wasteful number, since it uses less digits than its factorization.

1816852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454217 (or 454215 counting only the distinct ones).

The product of its digits is 3840, while the sum is 31.

The square root of 1816852 is about 1347.9065249490. The cubic root of 1816852 is about 122.0224808523.

The spelling of 1816852 in words is "one million, eight hundred sixteen thousand, eight hundred fifty-two".