4238805 has 32 divisors (see below), whose sum is σ = 7257600. Its totient is φ = 2106432.

The previous prime is 4238791. The next prime is 4238807. The reversal of 4238805 is 5088324.

It is not a de Polignac number, because 4238805 - 2¹⁰ = 4237781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4238807) 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 31 ways as a sum of consecutive naturals, for example, 30426 + ... + 30564.

It is an arithmetic number, because the mean of its divisors is an integer number (226800).

Almost surely, 2^4238805 is an apocalyptic number.

It is an amenable number.

4238805 is a deficient number, since it is larger than the sum of its proper divisors (3018795).

4238805 is a wasteful number, since it uses less digits than its factorization.

4238805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 4238805 is about 2058.8358360977. The cubic root of 4238805 is about 161.8382396911.

The spelling of 4238805 in words is "four million, two hundred thirty-eight thousand, eight hundred five".