4005238 has 8 divisors (see below), whose sum is σ = 6324120. Its totient is φ = 1897200.

The previous prime is 4005233. The next prime is 4005241. The reversal of 4005238 is 8325004.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52663 + ... + 52738.

It is an arithmetic number, because the mean of its divisors is an integer number (790515).

Almost surely, 2^4005238 is an apocalyptic number.

4005238 is a deficient number, since it is larger than the sum of its proper divisors (2318882).

4005238 is a wasteful number, since it uses less digits than its factorization.

4005238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105422.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4005238 is about 2001.3090715829. The cubic root of 4005238 is about 158.8093650296.

The spelling of 4005238 in words is "four million, five thousand, two hundred thirty-eight".