4947785 has 4 divisors (see below), whose sum is σ = 5937348. Its totient is φ = 3958224.

The previous prime is 4947779. The next prime is 4947791. The reversal of 4947785 is 5877494.

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

It is an interprime number because it is at equal distance from previous prime (4947779) and next prime (4947791).

It can be written as a sum of positive squares in 2 ways, for example, as 3798601 + 1149184 = 1949^2 + 1072^2 .

It is a cyclic number.

It is not a de Polignac number, because 4947785 - 2¹⁰ = 4946761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494774 + ... + 494783.

It is an arithmetic number, because the mean of its divisors is an integer number (1484337).

Almost surely, 2^4947785 is an apocalyptic number.

It is an amenable number.

4947785 is a deficient number, since it is larger than the sum of its proper divisors (989563).

4947785 is an equidigital number, since it uses as much as digits as its factorization.

4947785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989562.

The product of its digits is 282240, while the sum is 44.

The square root of 4947785 is about 2224.3617061980. The cubic root of 4947785 is about 170.4002678954.

The spelling of 4947785 in words is "four million, nine hundred forty-seven thousand, seven hundred eighty-five".