8181006 has 16 divisors (see below), whose sum is σ = 16516224. Its totient is φ = 2701304.

The previous prime is 8180989. The next prime is 8181007. The reversal of 8181006 is 6001818.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8181007) 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 7 ways as a sum of consecutive naturals, for example, 5730 + ... + 7013.

It is an arithmetic number, because the mean of its divisors is an integer number (1032264).

Almost surely, 2^8181006 is an apocalyptic number.

8181006 is an abundant number, since it is smaller than the sum of its proper divisors (8335218).

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

8181006 is a wasteful number, since it uses less digits than its factorization.

8181006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12855.

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 8181006 is about 2860.2457936338. The cubic root of 8181006 is about 201.4971481062.

The spelling of 8181006 in words is "eight million, one hundred eighty-one thousand, six".