8181852 has 48 divisors (see below), whose sum is σ = 21960960. Its totient is φ = 2322432.

The previous prime is 8181851. The next prime is 8181871. The reversal of 8181852 is 2581818.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8181851) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 21399 + ... + 21777.

It is an arithmetic number, because the mean of its divisors is an integer number (457520).

Almost surely, 2^8181852 is an apocalyptic number.

It is an amenable number.

8181852 is an abundant number, since it is smaller than the sum of its proper divisors (13779108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8181852 is a wasteful number, since it uses less digits than its factorization.

8181852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650 (or 648 counting only the distinct ones).

The product of its digits is 5120, while the sum is 33.

The square root of 8181852 is about 2860.3936791987. The cubic root of 8181852 is about 201.5040934913.

The spelling of 8181852 in words is "eight million, one hundred eighty-one thousand, eight hundred fifty-two".