4978785 has 16 divisors (see below), whose sum is σ = 9104256. Its totient is φ = 2275968.

The previous prime is 4978783. The next prime is 4978801. The reversal of 4978785 is 5878794.

4978785 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4978785 - 2¹ = 4978783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23604 + ... + 23813.

It is an arithmetic number, because the mean of its divisors is an integer number (569016).

Almost surely, 2^4978785 is an apocalyptic number.

It is an amenable number.

4978785 is a deficient number, since it is larger than the sum of its proper divisors (4125471).

4978785 is a wasteful number, since it uses less digits than its factorization.

4978785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47432.

The product of its digits is 564480, while the sum is 48.

The square root of 4978785 is about 2231.3191165766. The cubic root of 4978785 is about 170.7554042079.

Subtracting 4978785 from its reverse (5878794), we obtain a palindrome (900009).

The spelling of 4978785 in words is "four million, nine hundred seventy-eight thousand, seven hundred eighty-five".