3887648 has 24 divisors (see below), whose sum is σ = 7902720. Its totient is φ = 1880640.

The previous prime is 3887641. The next prime is 3887657. The reversal of 3887648 is 8467883.

It is a happy number.

It is a super-2 number, since 2×3887648² = 30227613943808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3887599 and 3887608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3887641) 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, 968 + ... + 2951.

It is an arithmetic number, because the mean of its divisors is an integer number (329280).

Almost surely, 2^3887648 is an apocalyptic number.

It is an amenable number.

3887648 is an abundant number, since it is smaller than the sum of its proper divisors (4015072).

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

3887648 is a wasteful number, since it uses less digits than its factorization.

3887648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3960 (or 3952 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The square root of 3887648 is about 1971.7119465074. The cubic root of 3887648 is about 157.2397381340.

The spelling of 3887648 in words is "three million, eight hundred eighty-seven thousand, six hundred forty-eight".