4978808 has 8 divisors (see below), whose sum is σ = 9335280. Its totient is φ = 2489400.

The previous prime is 4978801. The next prime is 4978829. The reversal of 4978808 is 8088794.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978801) 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 as a sum of consecutive naturals, namely, 311168 + ... + 311183.

It is an arithmetic number, because the mean of its divisors is an integer number (1166910).

Almost surely, 2^4978808 is an apocalyptic number.

It is an amenable number.

4978808 is a deficient number, since it is larger than the sum of its proper divisors (4356472).

4978808 is a wasteful number, since it uses less digits than its factorization.

4978808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622357 (or 622353 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 4978808 is about 2231.3242704726. The cubic root of 4978808 is about 170.7556671481.

The spelling of 4978808 in words is "four million, nine hundred seventy-eight thousand, eight hundred eight".