4188366 has 48 divisors (see below), whose sum is σ = 11173344. Its totient is φ = 1104192.

The previous prime is 4188347. The next prime is 4188367. The reversal of 4188366 is 6638814.

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 4188366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4188367) 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, 360 + ... + 2916.

It is an arithmetic number, because the mean of its divisors is an integer number (232778).

Almost surely, 2^4188366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4188366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5586672).

4188366 is an abundant number, since it is smaller than the sum of its proper divisors (6984978).

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

4188366 is a wasteful number, since it uses less digits than its factorization.

4188366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585 (or 2582 counting only the distinct ones).

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

The square root of 4188366 is about 2046.5497795070. The cubic root of 4188366 is about 161.1937535934.

It can be divided in two parts, 4188 and 366, that added together give a palindrome (4554).

The spelling of 4188366 in words is "four million, one hundred eighty-eight thousand, three hundred sixty-six".