8200018 has 8 divisors (see below), whose sum is σ = 13023612. Its totient is φ = 3858816.

The previous prime is 8200013. The next prime is 8200037. The reversal of 8200018 is 8100028.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8196769 + 3249 = 2863^2 + 57^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 8199968 and 8200004.

It is not an unprimeable number, because it can be changed into a prime (8200013) 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, 120555 + ... + 120622.

Almost surely, 2^8200018 is an apocalyptic number.

8200018 is a deficient number, since it is larger than the sum of its proper divisors (4823594).

8200018 is a wasteful number, since it uses less digits than its factorization.

8200018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241196.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 8200018 is about 2863.5673555899. The cubic root of 8200018 is about 201.6531150727.

The spelling of 8200018 in words is "eight million, two hundred thousand, eighteen".