3943648 has 12 divisors (see below), whose sum is σ = 7764120. Its totient is φ = 1971808.

The previous prime is 3943637. The next prime is 3943651. The reversal of 3943648 is 8463493.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61588 + ... + 61651.

It is an arithmetic number, because the mean of its divisors is an integer number (647010).

Almost surely, 2^3943648 is an apocalyptic number.

It is an amenable number.

3943648 is a deficient number, since it is larger than the sum of its proper divisors (3820472).

3943648 is a wasteful number, since it uses less digits than its factorization.

3943648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123249 (or 123241 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 3943648 is about 1985.8620294472. The cubic root of 3943648 is about 157.9911334019.

The spelling of 3943648 in words is "three million, nine hundred forty-three thousand, six hundred forty-eight".