3668648 has 16 divisors (see below), whose sum is σ = 6900000. Its totient is φ = 1828656.

The previous prime is 3668647. The next prime is 3668671. The reversal of 3668648 is 8468663.

It is not an unprimeable number, because it can be changed into a prime (3668647) 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, 3533 + ... + 4451.

It is an arithmetic number, because the mean of its divisors is an integer number (431250).

Almost surely, 2^3668648 is an apocalyptic number.

It is an amenable number.

3668648 is a deficient number, since it is larger than the sum of its proper divisors (3231352).

3668648 is a wasteful number, since it uses less digits than its factorization.

3668648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424 (or 1420 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The square root of 3668648 is about 1915.3715044346. The cubic root of 3668648 is about 154.2299370526.

The spelling of 3668648 in words is "three million, six hundred sixty-eight thousand, six hundred forty-eight".