4402142 has 16 divisors (see below), whose sum is σ = 6933600. Its totient is φ = 2093280.

The previous prime is 4402081. The next prime is 4402157. The reversal of 4402142 is 2412044.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4402142.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3584 + ... + 4652.

It is an arithmetic number, because the mean of its divisors is an integer number (433350).

Almost surely, 2^4402142 is an apocalyptic number.

4402142 is a deficient number, since it is larger than the sum of its proper divisors (2531458).

4402142 is a wasteful number, since it uses less digits than its factorization.

4402142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 4402142 is about 2098.1282134322. The cubic root of 4402142 is about 163.8908405058.

Adding to 4402142 its reverse (2412044), we get a palindrome (6814186).

The spelling of 4402142 in words is "four million, four hundred two thousand, one hundred forty-two".