8671818 has 8 divisors (see below), whose sum is σ = 17343648. Its totient is φ = 2890604.

The previous prime is 8671811. The next prime is 8671837. The reversal of 8671818 is 8181768.

It is a sphenic number, since it is the product of 3 distinct primes.

8671818 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (8671811) 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, 722646 + ... + 722657.

It is an arithmetic number, because the mean of its divisors is an integer number (2167956).

Almost surely, 2^8671818 is an apocalyptic number.

8671818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8671818 is a wasteful number, since it uses less digits than its factorization.

8671818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445308.

The product of its digits is 21504, while the sum is 39.

The square root of 8671818 is about 2944.7950692705. The cubic root of 8671818 is about 205.4486939837.

It can be divided in two parts, 86718 and 18, that added together give a triangular number (86736 = T₄₁₆).

The spelling of 8671818 in words is "eight million, six hundred seventy-one thousand, eight hundred eighteen".