3984648 has 16 divisors (see below), whose sum is σ = 9961680. Its totient is φ = 1328208.

The previous prime is 3984611. The next prime is 3984649. The reversal of 3984648 is 8464893.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3984649) 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, 82990 + ... + 83037.

It is an arithmetic number, because the mean of its divisors is an integer number (622605).

Almost surely, 2^3984648 is an apocalyptic number.

It is an amenable number.

3984648 is an abundant number, since it is smaller than the sum of its proper divisors (5977032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3984648 is a wasteful number, since it uses less digits than its factorization.

3984648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166036 (or 166032 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 3984648 is about 1996.1583103552. The cubic root of 3984648 is about 158.5367633246.

The spelling of 3984648 in words is "three million, nine hundred eighty-four thousand, six hundred forty-eight".