3881648 has 10 divisors (see below), whose sum is σ = 7520724. Its totient is φ = 1940816.

The previous prime is 3881611. The next prime is 3881659. The reversal of 3881648 is 8461883.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121286 + ... + 121317.

Almost surely, 2^3881648 is an apocalyptic number.

It is an amenable number.

3881648 is a deficient number, since it is larger than the sum of its proper divisors (3639076).

3881648 is a wasteful number, since it uses less digits than its factorization.

3881648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242611 (or 242605 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 3881648 is about 1970.1898385689. The cubic root of 3881648 is about 157.1588045209.

The spelling of 3881648 in words is "three million, eight hundred eighty-one thousand, six hundred forty-eight".