4889643 has 8 divisors (see below), whose sum is σ = 7112256. Its totient is φ = 2963400.

The previous prime is 4889641. The next prime is 4889671. The reversal of 4889643 is 3469884.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4889643 - 2¹ = 4889641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4889595 and 4889604.

It is not an unprimeable number, because it can be changed into a prime (4889641) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 74053 + ... + 74118.

It is an arithmetic number, because the mean of its divisors is an integer number (889032).

Almost surely, 2^4889643 is an apocalyptic number.

4889643 is a deficient number, since it is larger than the sum of its proper divisors (2222613).

4889643 is a wasteful number, since it uses less digits than its factorization.

4889643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148185.

The product of its digits is 165888, while the sum is 42.

The square root of 4889643 is about 2211.2537167860. The cubic root of 4889643 is about 169.7301717177.

The spelling of 4889643 in words is "four million, eight hundred eighty-nine thousand, six hundred forty-three".