4042036 has 6 divisors (see below), whose sum is σ = 7073570. Its totient is φ = 2021016.

The previous prime is 4042033. The next prime is 4042037. The reversal of 4042036 is 6302404.

It can be written as a sum of positive squares in only one way, i.e., 4040100 + 1936 = 2010^2 + 44^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505251 + ... + 505258.

Almost surely, 2^4042036 is an apocalyptic number.

It is an amenable number.

4042036 is a deficient number, since it is larger than the sum of its proper divisors (3031534).

4042036 is a wasteful number, since it uses less digits than its factorization.

4042036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010513 (or 1010511 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 4042036 is about 2010.4815343594. The cubic root of 4042036 is about 159.2942351775.

The spelling of 4042036 in words is "four million, forty-two thousand, thirty-six", and thus it is an eban number.