4243386 has 32 divisors (see below), whose sum is σ = 9842688. Its totient is φ = 1194480.

The previous prime is 4243361. The next prime is 4243391. The reversal of 4243386 is 6833424.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 4⁴ + 2¹³ + 4¹¹ + 3² + 3⁸ + 8⁵ + 6⁴ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2271 + ... + 3693.

It is an arithmetic number, because the mean of its divisors is an integer number (307584).

Almost surely, 2^4243386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4243386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4921344).

4243386 is an abundant number, since it is smaller than the sum of its proper divisors (5599302).

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

4243386 is a wasteful number, since it uses less digits than its factorization.

4243386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506.

The product of its digits is 13824, while the sum is 30.

The square root of 4243386 is about 2059.9480575976. The cubic root of 4243386 is about 161.8965198007.

The spelling of 4243386 in words is "four million, two hundred forty-three thousand, three hundred eighty-six".