4977128 has 16 divisors (see below), whose sum is σ = 10050180. Its totient is φ = 2297088.

The previous prime is 4977127. The next prime is 4977139. The reversal of 4977128 is 8217794.

It can be written as a sum of positive squares in 2 ways, for example, as 4831204 + 145924 = 2198^2 + 382^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4977091 and 4977100.

It is not an unprimeable number, because it can be changed into a prime (4977127) 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 3 ways as a sum of consecutive naturals, for example, 23825 + ... + 24032.

Almost surely, 2^4977128 is an apocalyptic number.

It is an amenable number.

4977128 is an abundant number, since it is smaller than the sum of its proper divisors (5073052).

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

4977128 is a wasteful number, since it uses less digits than its factorization.

4977128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47876 (or 47872 counting only the distinct ones).

The product of its digits is 28224, while the sum is 38.

The square root of 4977128 is about 2230.9477806529. The cubic root of 4977128 is about 170.7364589499.

It can be divided in two parts, 49 and 77128, that added together give a palindrome (77177).

The spelling of 4977128 in words is "four million, nine hundred seventy-seven thousand, one hundred twenty-eight".