4011538 has 4 divisors (see below), whose sum is σ = 6017310. Its totient is φ = 2005768.

The previous prime is 4011533. The next prime is 4011551. The reversal of 4011538 is 8351104.

4011538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 3122289 + 889249 = 1767^2 + 943^2 .

It is not an unprimeable number, because it can be changed into a prime (4011533) 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 as a sum of consecutive naturals, namely, 1002883 + ... + 1002886.

Almost surely, 2^4011538 is an apocalyptic number.

4011538 is a deficient number, since it is larger than the sum of its proper divisors (2005772).

4011538 is a wasteful number, since it uses less digits than its factorization.

4011538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005771.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 4011538 is about 2002.8824229095. The cubic root of 4011538 is about 158.8925872903.

The spelling of 4011538 in words is "four million, eleven thousand, five hundred thirty-eight".