4978547 has 6 divisors (see below), whose sum is σ = 5791428. Its totient is φ = 4267284.

The previous prime is 4978543. The next prime is 4978553. The reversal of 4978547 is 7458794.

4978547 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4978547 - 2² = 4978543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4978498 and 4978507.

It is not an unprimeable number, because it can be changed into a prime (4978543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50753 + ... + 50850.

It is an arithmetic number, because the mean of its divisors is an integer number (965238).

Almost surely, 2^4978547 is an apocalyptic number.

4978547 is a deficient number, since it is larger than the sum of its proper divisors (812881).

4978547 is a wasteful number, since it uses less digits than its factorization.

4978547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101617 (or 101610 counting only the distinct ones).

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

The square root of 4978547 is about 2231.2657842579. The cubic root of 4978547 is about 170.7526833008.

The spelling of 4978547 in words is "four million, nine hundred seventy-eight thousand, five hundred forty-seven".