4042038 has 64 divisors (see below), whose sum is σ = 10870272. Its totient is φ = 967680.

The previous prime is 4042037. The next prime is 4042057. The reversal of 4042038 is 8302404.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5670 + ... + 6342.

It is an arithmetic number, because the mean of its divisors is an integer number (169848).

Almost surely, 2^4042038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4042038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5435136).

4042038 is an abundant number, since it is smaller than the sum of its proper divisors (6828234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4042038 is a wasteful number, since it uses less digits than its factorization.

4042038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4042038 is about 2010.4820317526. The cubic root of 4042038 is about 159.2942614504.

It can be divided in two parts, 404 and 2038, that added together give a palindrome (2442).

The spelling of 4042038 in words is "four million, forty-two thousand, thirty-eight".