4978885 has 8 divisors (see below), whose sum is σ = 6009120. Its totient is φ = 3960144.

The previous prime is 4978871. The next prime is 4978889. The reversal of 4978885 is 5888794.

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 4978885 - 2¹¹ = 4976837 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978889) by changing a digit.

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, 1887 + ... + 3676.

It is an arithmetic number, because the mean of its divisors is an integer number (751140).

Almost surely, 2^4978885 is an apocalyptic number.

It is an amenable number.

4978885 is a deficient number, since it is larger than the sum of its proper divisors (1030235).

4978885 is a wasteful number, since it uses less digits than its factorization.

4978885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5747.

The product of its digits is 645120, while the sum is 49.

The square root of 4978885 is about 2231.3415247335. The cubic root of 4978885 is about 170.7565474203.

Subtracting 4978885 from its reverse (5888794), we obtain a palindrome (909909).

The spelling of 4978885 in words is "four million, nine hundred seventy-eight thousand, eight hundred eighty-five".