4238786 has 16 divisors (see below), whose sum is σ = 6732960. Its totient is φ = 1995840.

The previous prime is 4238783. The next prime is 4238791. The reversal of 4238786 is 6878324.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a d-powerful number, because it can be written as 4⁷ + 2²² + 3⁹ + 8⁴ + 7 + 8⁴ + 6³ .

It is not an unprimeable number, because it can be changed into a prime (4238783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12410 + ... + 12746.

It is an arithmetic number, because the mean of its divisors is an integer number (420810).

Almost surely, 2^4238786 is an apocalyptic number.

4238786 is a deficient number, since it is larger than the sum of its proper divisors (2494174).

4238786 is a wasteful number, since it uses less digits than its factorization.

4238786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689.

The product of its digits is 64512, while the sum is 38.

The square root of 4238786 is about 2058.8312218344. The cubic root of 4238786 is about 161.8379978831.

The spelling of 4238786 in words is "four million, two hundred thirty-eight thousand, seven hundred eighty-six".