4978128 has 40 divisors (see below), whose sum is σ = 13212448. Its totient is φ = 1613952.

The previous prime is 4978121. The next prime is 4978147. The reversal of 4978128 is 8218794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978121) 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 in 7 ways as a sum of consecutive naturals, for example, 375 + ... + 3177.

Almost surely, 2^4978128 is an apocalyptic number.

4978128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4978128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6606224).

4978128 is an abundant number, since it is smaller than the sum of its proper divisors (8234320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4978128 is a wasteful number, since it uses less digits than its factorization.

4978128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851 (or 2845 counting only the distinct ones).

The product of its digits is 32256, while the sum is 39.

The square root of 4978128 is about 2231.1718893891. The cubic root of 4978128 is about 170.7478929218.

The spelling of 4978128 in words is "four million, nine hundred seventy-eight thousand, one hundred twenty-eight".