3601604 has 12 divisors (see below), whose sum is σ = 6456828. Its totient is φ = 1756800.

The previous prime is 3601589. The next prime is 3601607. The reversal of 3601604 is 4061063.

It can be written as a sum of positive squares in 2 ways, for example, as 1345600 + 2256004 = 1160^2 + 1502^2 .

It is not an unprimeable number, because it can be changed into a prime (3601607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10817 + ... + 11144.

It is an arithmetic number, because the mean of its divisors is an integer number (538069).

Almost surely, 2^3601604 is an apocalyptic number.

It is an amenable number.

3601604 is a deficient number, since it is larger than the sum of its proper divisors (2855224).

3601604 is a wasteful number, since it uses less digits than its factorization.

3601604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22006 (or 22004 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3601604 is about 1897.7892401423. The cubic root of 3601604 is about 153.2846453273.

Adding to 3601604 its reverse (4061063), we get a palindrome (7662667).

The spelling of 3601604 in words is "three million, six hundred one thousand, six hundred four".