18766852 has 12 divisors (see below), whose sum is σ = 35368396. Its totient is φ = 8661600.

The previous prime is 18766843. The next prime is 18766859. The reversal of 18766852 is 25866781.

It can be written as a sum of positive squares in 2 ways, for example, as 7584516 + 11182336 = 2754^2 + 3344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18766799 and 18766808.

It is not an unprimeable number, because it can be changed into a prime (18766859) 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, 180399 + ... + 180502.

Almost surely, 2^18766852 is an apocalyptic number.

It is an amenable number.

18766852 is a deficient number, since it is larger than the sum of its proper divisors (16601544).

18766852 is a wasteful number, since it uses less digits than its factorization.

18766852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360918 (or 360916 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 18766852 is about 4332.0724832348. The cubic root of 18766852 is about 265.7442092282.

The spelling of 18766852 in words is "eighteen million, seven hundred sixty-six thousand, eight hundred fifty-two".