4005338 has 4 divisors (see below), whose sum is σ = 6008010. Its totient is φ = 2002668.

The previous prime is 4005317. The next prime is 4005341. The reversal of 4005338 is 8335004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2666689 + 1338649 = 1633^2 + 1157^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001333 + ... + 1001336.

Almost surely, 2^4005338 is an apocalyptic number.

4005338 is a deficient number, since it is larger than the sum of its proper divisors (2002672).

4005338 is a wasteful number, since it uses less digits than its factorization.

4005338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002671.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 4005338 is about 2001.3340550743. The cubic root of 4005338 is about 158.8106866992.

The spelling of 4005338 in words is "four million, five thousand, three hundred thirty-eight".