18000210 has 32 divisors (see below), whose sum is σ = 43727040. Its totient is φ = 4741568.

The previous prime is 18000209. The next prime is 18000217. The reversal of 18000210 is 1200081.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18000217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1125 + ... + 6104.

It is an arithmetic number, because the mean of its divisors is an integer number (1366470).

Almost surely, 2^18000210 is an apocalyptic number.

18000210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18000210 is an abundant number, since it is smaller than the sum of its proper divisors (25726830).

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

18000210 is a wasteful number, since it uses less digits than its factorization.

18000210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7322.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 18000210 is about 4242.6654357844. The cubic root of 18000210 is about 262.0751585941.

Adding to 18000210 its reverse (1200081), we get a palindrome (19200291).

The spelling of 18000210 in words is "eighteen million, two hundred ten", and thus it is an aban number.