8065818 has 20 divisors (see below), whose sum is σ = 18073770. Its totient is φ = 2688552.

The previous prime is 8065793. The next prime is 8065819. The reversal of 8065818 is 8185608.

8065818 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7634169 + 431649 = 2763^2 + 657^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8065819) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 24733 + ... + 25056.

Almost surely, 2^8065818 is an apocalyptic number.

8065818 is an abundant number, since it is smaller than the sum of its proper divisors (10007952).

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

8065818 is a wasteful number, since it uses less digits than its factorization.

8065818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49803 (or 49794 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 8065818 is about 2840.0383800224. The cubic root of 8065818 is about 200.5469860011.

The spelling of 8065818 in words is "eight million, sixty-five thousand, eight hundred eighteen".