4036042 has 4 divisors (see below), whose sum is σ = 6054066. Its totient is φ = 2018020.

The previous prime is 4036033. The next prime is 4036049. The reversal of 4036042 is 2406304.

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., 4004001 + 32041 = 2001^2 + 179^2 .

It is not an unprimeable number, because it can be changed into a prime (4036049) 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, 1009009 + ... + 1009012.

Almost surely, 2^4036042 is an apocalyptic number.

4036042 is a deficient number, since it is larger than the sum of its proper divisors (2018024).

4036042 is a wasteful number, since it uses less digits than its factorization.

4036042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018023.

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

The square root of 4036042 is about 2008.9902936550. The cubic root of 4036042 is about 159.2154562319.

The spelling of 4036042 in words is "four million, thirty-six thousand, forty-two", and thus it is an eban number.