4002442 has 16 divisors (see below), whose sum is σ = 6181920. Its totient is φ = 1942768.

The previous prime is 4002431. The next prime is 4002457. The reversal of 4002442 is 2442004.

4002442 is a modest number, since divided by 2442 gives 4 as remainder.

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, 12468 + ... + 12784.

It is an arithmetic number, because the mean of its divisors is an integer number (386370).

Almost surely, 2^4002442 is an apocalyptic number.

4002442 is a deficient number, since it is larger than the sum of its proper divisors (2179478).

4002442 is a wasteful number, since it uses less digits than its factorization.

4002442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485.

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

The square root of 4002442 is about 2000.6104068509. The cubic root of 4002442 is about 158.7724022367.

Adding to 4002442 its reverse (2442004), we get a palindrome (6444446).

It can be divided in two parts, 4002 and 442, that added together give a palindrome (4444).

The spelling of 4002442 in words is "four million, two thousand, four hundred forty-two".