3868188 has 12 divisors (see below), whose sum is σ = 9025800. Its totient is φ = 1289392.

The previous prime is 3868187. The next prime is 3868201. The reversal of 3868188 is 8818683.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3868187) 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, 161163 + ... + 161186.

It is an arithmetic number, because the mean of its divisors is an integer number (752150).

Almost surely, 2^3868188 is an apocalyptic number.

It is an amenable number.

3868188 is an abundant number, since it is smaller than the sum of its proper divisors (5157612).

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

3868188 is a wasteful number, since it uses less digits than its factorization.

3868188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322356 (or 322354 counting only the distinct ones).

The product of its digits is 73728, while the sum is 42.

The square root of 3868188 is about 1966.7709576867. The cubic root of 3868188 is about 156.9769395586.

The spelling of 3868188 in words is "three million, eight hundred sixty-eight thousand, one hundred eighty-eight".