4865643 has 16 divisors (see below), whose sum is σ = 7244160. Its totient is φ = 3227688.

The previous prime is 4865629. The next prime is 4865647. The reversal of 4865643 is 3465684.

4865643 is a `hidden beast` number, since 4 + 8 + 6 + 5 + 643 = 666.

It is not a de Polignac number, because 4865643 - 2⁹ = 4865131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4865598 and 4865607.

It is not an unprimeable number, because it can be changed into a prime (4865647) 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 15 ways as a sum of consecutive naturals, for example, 7996 + ... + 8582.

It is an arithmetic number, because the mean of its divisors is an integer number (452760).

Almost surely, 2^4865643 is an apocalyptic number.

4865643 is a deficient number, since it is larger than the sum of its proper divisors (2378517).

4865643 is a wasteful number, since it uses less digits than its factorization.

4865643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903 (or 897 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 4865643 is about 2205.8202555965. The cubic root of 4865643 is about 169.4520186846.

The spelling of 4865643 in words is "four million, eight hundred sixty-five thousand, six hundred forty-three".