4401604 has 9 divisors (see below), whose sum is σ = 7710157. Its totient is φ = 2198704.

The previous prime is 4401601. The next prime is 4401641. The reversal of 4401604 is 4061044.

The square root of 4401604 is 2098.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3992004 + 409600 = 1998^2 + 640^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4401601) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3672 + ... + 4720.

Almost surely, 2^4401604 is an apocalyptic number.

4401604 is the 2098-th square number.

It is an amenable number.

4401604 is a deficient number, since it is larger than the sum of its proper divisors (3308553).

4401604 is an equidigital number, since it uses as much as digits as its factorization.

4401604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102 (or 1051 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The cubic root of 4401604 is about 163.8841636907.

Adding to 4401604 its reverse (4061044), we get a palindrome (8462648).

It can be divided in two parts, 4401 and 604, that added together give a palindrome (5005).

The spelling of 4401604 in words is "four million, four hundred one thousand, six hundred four".