3520648 has 16 divisors (see below), whose sum is σ = 6714000. Its totient is φ = 1730256.

The previous prime is 3520613. The next prime is 3520663. The reversal of 3520648 is 8460253.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3258 + ... + 4201.

It is an arithmetic number, because the mean of its divisors is an integer number (419625).

Almost surely, 2^3520648 is an apocalyptic number.

It is an amenable number.

3520648 is a deficient number, since it is larger than the sum of its proper divisors (3193352).

3520648 is a wasteful number, since it uses less digits than its factorization.

3520648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7524 (or 7520 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 3520648 is about 1876.3389885626. The cubic root of 3520648 is about 152.1274323774.

The spelling of 3520648 in words is "three million, five hundred twenty thousand, six hundred forty-eight".