4186242 has 20 divisors (see below), whose sum is σ = 9380646. Its totient is φ = 1395360.

The previous prime is 4186241. The next prime is 4186283. The reversal of 4186242 is 2426814.

4186242 is a `hidden beast` number, since 418 + 6 + 242 = 666.

4186242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3884841 + 301401 = 1971^2 + 549^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4186241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12759 + ... + 13082.

Almost surely, 2^4186242 is an apocalyptic number.

4186242 is an abundant number, since it is smaller than the sum of its proper divisors (5194404).

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

4186242 is a wasteful number, since it uses less digits than its factorization.

4186242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25855 (or 25846 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 4186242 is about 2046.0307915572. The cubic root of 4186242 is about 161.1665008475.

The spelling of 4186242 in words is "four million, one hundred eighty-six thousand, two hundred forty-two".