3848643 has 12 divisors (see below), whose sum is σ = 5630560. Its totient is φ = 2532816.

The previous prime is 3848639. The next prime is 3848651. The reversal of 3848643 is 3468483.

3848643 is a `hidden beast` number, since 3 + 8 + 4 + 8 + 643 = 666.

It is not a de Polignac number, because 3848643 - 2² = 3848639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3848598 and 3848607.

It is not an unprimeable number, because it can be changed into a prime (3848623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1996 + ... + 3417.

Almost surely, 2^3848643 is an apocalyptic number.

3848643 is a deficient number, since it is larger than the sum of its proper divisors (1781917).

3848643 is a wasteful number, since it uses less digits than its factorization.

3848643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5498 (or 5495 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 3848643 is about 1961.7958609397. The cubic root of 3848643 is about 156.7121044202.

The spelling of 3848643 in words is "three million, eight hundred forty-eight thousand, six hundred forty-three".