540186 has 8 divisors (see below), whose sum is σ = 1080384. Its totient is φ = 180060.

The previous prime is 540181. The next prime is 540187. The reversal of 540186 is 681045.

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

540186 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (540181) by changing a digit.

540186 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45010 + ... + 45021.

It is an arithmetic number, because the mean of its divisors is an integer number (135048).

2⁵⁴⁰¹⁸⁶ is an apocalyptic number.

540186 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.

540186 is a wasteful number, since it uses less digits than its factorization.

540186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90036.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 540186 is about 734.9734689089. The cubic root of 540186 is about 81.4418770853.

The spelling of 540186 in words is "five hundred forty thousand, one hundred eighty-six".