4238985 has 8 divisors (see below), whose sum is σ = 6782400. Its totient is φ = 2260784.

The previous prime is 4238963. The next prime is 4238989. The reversal of 4238985 is 5898324.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4238985 - 2⁵ = 4238953 is a prime.

It is a d-powerful number, because it can be written as 4¹¹ + 2¹³ + 3 + 8³ + 9² + 8⁵ + 5⁵ .

It is not an unprimeable number, because it can be changed into a prime (4238989) 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, 141285 + ... + 141314.

It is an arithmetic number, because the mean of its divisors is an integer number (847800).

Almost surely, 2^4238985 is an apocalyptic number.

It is an amenable number.

4238985 is a deficient number, since it is larger than the sum of its proper divisors (2543415).

4238985 is a wasteful number, since it uses less digits than its factorization.

4238985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282607.

The product of its digits is 69120, while the sum is 39.

The square root of 4238985 is about 2058.8795496580. The cubic root of 4238985 is about 161.8405304681.

The spelling of 4238985 in words is "four million, two hundred thirty-eight thousand, nine hundred eighty-five".