3604522 has 4 divisors (see below), whose sum is σ = 5406786. Its totient is φ = 1802260.

The previous prime is 3604511. The next prime is 3604529. The reversal of 3604522 is 2254063.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2254063 = 7 ⋅322009.

It can be written as a sum of positive squares in only one way, i.e., 2461761 + 1142761 = 1569^2 + 1069^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 3604493 and 3604502.

It is not an unprimeable number, because it can be changed into a prime (3604529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 901129 + ... + 901132.

Almost surely, 2^3604522 is an apocalyptic number.

3604522 is a deficient number, since it is larger than the sum of its proper divisors (1802264).

3604522 is a wasteful number, since it uses less digits than its factorization.

3604522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802263.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 3604522 is about 1898.5578737558. The cubic root of 3604522 is about 153.3260309482.

Adding to 3604522 its reverse (2254063), we get a palindrome (5858585).

The spelling of 3604522 in words is "three million, six hundred four thousand, five hundred twenty-two".