3985648 has 10 divisors (see below), whose sum is σ = 7722224. Its totient is φ = 1992816.

The previous prime is 3985637. The next prime is 3985661. The reversal of 3985648 is 8465893.

3985648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124536 + ... + 124567.

Almost surely, 2^3985648 is an apocalyptic number.

It is an amenable number.

3985648 is a deficient number, since it is larger than the sum of its proper divisors (3736576).

3985648 is a wasteful number, since it uses less digits than its factorization.

3985648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249111 (or 249105 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 3985648 is about 1996.4087757771. The cubic root of 3985648 is about 158.5500245129.

The spelling of 3985648 in words is "three million, nine hundred eighty-five thousand, six hundred forty-eight".