4947128 has 16 divisors (see below), whose sum is σ = 9299880. Its totient is φ = 2467168.

The previous prime is 4947121. The next prime is 4947143. The reversal of 4947128 is 8217494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4947121) 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, 4751 + ... + 5697.

Almost surely, 2^4947128 is an apocalyptic number.

It is an amenable number.

4947128 is a deficient number, since it is larger than the sum of its proper divisors (4352752).

4947128 is a wasteful number, since it uses less digits than its factorization.

4947128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606 (or 1602 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 4947128 is about 2224.2140184793. The cubic root of 4947128 is about 170.3927252656.

The spelling of 4947128 in words is "four million, nine hundred forty-seven thousand, one hundred twenty-eight".