4978768 has 10 divisors (see below), whose sum is σ = 9646394. Its totient is φ = 2489376.

The previous prime is 4978751. The next prime is 4978769. The reversal of 4978768 is 8678794.

It can be written as a sum of positive squares in only one way, i.e., 4293184 + 685584 = 2072^2 + 828^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155571 + ... + 155602.

Almost surely, 2^4978768 is an apocalyptic number.

It is an amenable number.

4978768 is a deficient number, since it is larger than the sum of its proper divisors (4667626).

4978768 is a wasteful number, since it uses less digits than its factorization.

4978768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311181 (or 311175 counting only the distinct ones).

The product of its digits is 677376, while the sum is 49.

The square root of 4978768 is about 2231.3153071675. The cubic root of 4978768 is about 170.7552098603.

The spelling of 4978768 in words is "four million, nine hundred seventy-eight thousand, seven hundred sixty-eight".