4042043 has 16 divisors (see below), whose sum is σ = 4452096. Its totient is φ = 3659040.

The previous prime is 4042037. The next prime is 4042057. The reversal of 4042043 is 3402404.

It is a cyclic number.

It is not a de Polignac number, because 4042043 - 2⁶ = 4041979 is a prime.

It is a super-2 number, since 2×4042043² = 32676223227698, which contains 22 as substring.

It is a Duffinian number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60296 + ... + 60362.

It is an arithmetic number, because the mean of its divisors is an integer number (278256).

Almost surely, 2^4042043 is an apocalyptic number.

4042043 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4042043 is a deficient number, since it is larger than the sum of its proper divisors (410053).

4042043 is a wasteful number, since it uses less digits than its factorization.

4042043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 4042043 is about 2010.4832752351. The cubic root of 4042043 is about 159.2943271327.

Adding to 4042043 its reverse (3402404), we get a palindrome (7444447).

The spelling of 4042043 in words is "four million, forty-two thousand, forty-three".