4404042 has 12 divisors (see below), whose sum is σ = 9542130. Its totient is φ = 1468008.

The previous prime is 4404019. The next prime is 4404047. The reversal of 4404042 is 2404044.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3381921 + 1022121 = 1839^2 + 1011^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 244669 = 4404042 / (4 + 4 + 0 + 4 + 0 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (4404047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122317 + ... + 122352.

Almost surely, 2^4404042 is an apocalyptic number.

4404042 is an abundant number, since it is smaller than the sum of its proper divisors (5138088).

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

4404042 is a wasteful number, since it uses less digits than its factorization.

4404042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244677 (or 244674 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 4404042 is about 2098.5809491178. The cubic root of 4404042 is about 163.9144159839.

Adding to 4404042 its reverse (2404044), we get a palindrome (6808086).

The spelling of 4404042 in words is "four million, four hundred four thousand, forty-two".