4042042 has 8 divisors (see below), whose sum is σ = 6071616. Its totient is φ = 2018172.

The previous prime is 4042037. The next prime is 4042057. The reversal of 4042042 is 2402404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1893 + ... + 3415.

It is an arithmetic number, because the mean of its divisors is an integer number (758952).

Almost surely, 2^4042042 is an apocalyptic number.

4042042 is a deficient number, since it is larger than the sum of its proper divisors (2029574).

4042042 is a wasteful number, since it uses less digits than its factorization.

4042042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 4042042 is about 2010.4830265386. The cubic root of 4042042 is about 159.2943139963.

Adding to 4042042 its reverse (2402404), we get a palindrome (6444446).

The spelling of 4042042 in words is "four million, forty-two thousand, forty-two", and thus it is an eban number.