8210018 has 16 divisors (see below), whose sum is σ = 12731256. Its totient is φ = 3968640.

The previous prime is 8210017. The next prime is 8210053. The reversal of 8210018 is 8100128.

It can be written as a sum of positive squares in 4 ways, for example, as 7991929 + 218089 = 2827^2 + 467^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8210017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7208 + ... + 8268.

Almost surely, 2^8210018 is an apocalyptic number.

8210018 is a deficient number, since it is larger than the sum of its proper divisors (4521238).

8210018 is a wasteful number, since it uses less digits than its factorization.

8210018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189.

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 8210018 is about 2865.3128973988. The cubic root of 8210018 is about 201.7350544041.

The spelling of 8210018 in words is "eight million, two hundred ten thousand, eighteen".