4978888 has 16 divisors (see below), whose sum is σ = 9360000. Its totient is φ = 2482896.

The previous prime is 4978871. The next prime is 4978889. The reversal of 4978888 is 8888794.

It is an Ulam number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4273 + ... + 5311.

It is an arithmetic number, because the mean of its divisors is an integer number (585000).

Almost surely, 2^4978888 is an apocalyptic number.

It is an amenable number.

4978888 is a deficient number, since it is larger than the sum of its proper divisors (4381112).

4978888 is a wasteful number, since it uses less digits than its factorization.

4978888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644 (or 1640 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 52.

The square root of 4978888 is about 2231.3421969747. The cubic root of 4978888 is about 170.7565817164.

The spelling of 4978888 in words is "four million, nine hundred seventy-eight thousand, eight hundred eighty-eight".