4392042 has 16 divisors (see below), whose sum is σ = 8804640. Its totient is φ = 1460592.

The previous prime is 4392013. The next prime is 4392077. The reversal of 4392042 is 2402934.

It is a happy number.

It is a d-powerful number, because it can be written as 4⁵ + 3¹⁰ + 9⁴ + 2⁵ + 0 + 4¹¹ + 2¹⁷ .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4533 + ... + 5415.

It is an arithmetic number, because the mean of its divisors is an integer number (550290).

Almost surely, 2^4392042 is an apocalyptic number.

4392042 is an abundant number, since it is smaller than the sum of its proper divisors (4412598).

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

4392042 is a wasteful number, since it uses less digits than its factorization.

4392042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 4392042 is about 2095.7199240357. The cubic root of 4392042 is about 163.7654042187.

Adding to 4392042 its reverse (2402934), we get a palindrome (6794976).

The spelling of 4392042 in words is "four million, three hundred ninety-two thousand, forty-two".