4859945 has 4 divisors (see below), whose sum is σ = 5831940. Its totient is φ = 3887952.

The previous prime is 4859891. The next prime is 4859947. The reversal of 4859945 is 5499584.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3717184 + 1142761 = 1928^2 + 1069^2 .

It is a cyclic number.

It is not a de Polignac number, because 4859945 - 2²⁰ = 3811369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4859896 and 4859905.

It is not an unprimeable number, because it can be changed into a prime (4859947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485990 + ... + 485999.

It is an arithmetic number, because the mean of its divisors is an integer number (1457985).

Almost surely, 2^4859945 is an apocalyptic number.

It is an amenable number.

4859945 is a deficient number, since it is larger than the sum of its proper divisors (971995).

4859945 is an equidigital number, since it uses as much as digits as its factorization.

4859945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971994.

The product of its digits is 259200, while the sum is 44.

The square root of 4859945 is about 2204.5282942162. The cubic root of 4859945 is about 169.3858462211.

The spelling of 4859945 in words is "four million, eight hundred fifty-nine thousand, nine hundred forty-five".