4404436 has 6 divisors (see below), whose sum is σ = 7707770. Its totient is φ = 2202216.

The previous prime is 4404427. The next prime is 4404437. The reversal of 4404436 is 6344044.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4384836 + 19600 = 2094^2 + 140^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4404436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4404437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550551 + ... + 550558.

Almost surely, 2^4404436 is an apocalyptic number.

It is an amenable number.

4404436 is a deficient number, since it is larger than the sum of its proper divisors (3303334).

4404436 is a wasteful number, since it uses less digits than its factorization.

4404436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101113 (or 1101111 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4404436 is about 2098.6748199757. The cubic root of 4404436 is about 163.9193039447.

Adding to 4404436 its product of nonzero digits (4608), we get a palindrome (4409044).

The spelling of 4404436 in words is "four million, four hundred four thousand, four hundred thirty-six".