3684186 has 48 divisors (see below), whose sum is σ = 9097920. Its totient is φ = 1066560.

The previous prime is 3684181. The next prime is 3684193. The reversal of 3684186 is 6814863.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3684186.

It is not an unprimeable number, because it can be changed into a prime (3684181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4150 + ... + 4958.

It is an arithmetic number, because the mean of its divisors is an integer number (189540).

Almost surely, 2^3684186 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3684186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4548960).

3684186 is an abundant number, since it is smaller than the sum of its proper divisors (5413734).

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

3684186 is a wasteful number, since it uses less digits than its factorization.

3684186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851 (or 848 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 3684186 is about 1919.4233509052. The cubic root of 3684186 is about 154.4473695118.

It can be divided in two parts, 368 and 4186, that added together give a palindrome (4554).

The spelling of 3684186 in words is "three million, six hundred eighty-four thousand, one hundred eighty-six".