3520544 has 12 divisors (see below), whose sum is σ = 6931134. Its totient is φ = 1760256.

The previous prime is 3520537. The next prime is 3520549. The reversal of 3520544 is 4450253.

It can be written as a sum of positive squares in only one way, i.e., 2496400 + 1024144 = 1580^2 + 1012^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54977 + ... + 55040.

Almost surely, 2^3520544 is an apocalyptic number.

It is an amenable number.

3520544 is a deficient number, since it is larger than the sum of its proper divisors (3410590).

3520544 is a wasteful number, since it uses less digits than its factorization.

3520544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110027 (or 110019 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 3520544 is about 1876.3112748156. The cubic root of 3520544 is about 152.1259344137.

Adding to 3520544 its reverse (4450253), we get a palindrome (7970797).

The spelling of 3520544 in words is "three million, five hundred twenty thousand, five hundred forty-four".