4978384 has 20 divisors (see below), whose sum is σ = 9882180. Its totient is φ = 2428160.

The previous prime is 4978367. The next prime is 4978397. The reversal of 4978384 is 4838794.

It can be written as a sum of positive squares in 2 ways, for example, as 138384 + 4840000 = 372^2 + 2200^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4978384.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3139 + ... + 4450.

It is an arithmetic number, because the mean of its divisors is an integer number (494109).

Almost surely, 2^4978384 is an apocalyptic number.

It is an amenable number.

4978384 is a deficient number, since it is larger than the sum of its proper divisors (4903796).

4978384 is a wasteful number, since it uses less digits than its factorization.

4978384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7638 (or 7632 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 4978384 is about 2231.2292576067. The cubic root of 4978384 is about 170.7508197725.

The spelling of 4978384 in words is "four million, nine hundred seventy-eight thousand, three hundred eighty-four".