4889845 has 8 divisors (see below), whose sum is σ = 5902776. Its totient is φ = 3888576.

The previous prime is 4889813. The next prime is 4889851. The reversal of 4889845 is 5489884.

It can be written as a sum of positive squares in 4 ways, for example, as 2090916 + 2798929 = 1446^2 + 1673^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4889845 - 2⁵ = 4889813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4889795 and 4889804.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1962 + ... + 3691.

It is an arithmetic number, because the mean of its divisors is an integer number (737847).

Almost surely, 2^4889845 is an apocalyptic number.

It is an amenable number.

4889845 is a deficient number, since it is larger than the sum of its proper divisors (1012931).

4889845 is a wasteful number, since it uses less digits than its factorization.

4889845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5831.

The product of its digits is 368640, while the sum is 46.

The square root of 4889845 is about 2211.2993917604. The cubic root of 4889845 is about 169.7325089723.

The spelling of 4889845 in words is "four million, eight hundred eighty-nine thousand, eight hundred forty-five".