4999128 has 48 divisors (see below), whose sum is σ = 13213080. Its totient is φ = 1575936.

The previous prime is 4999121. The next prime is 4999151. The reversal of 4999128 is 8219994.

It is a self number, because there is not a number n which added to its sum of digits gives 4999128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4999121) 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 in 11 ways as a sum of consecutive naturals, for example, 8376 + ... + 8952.

Almost surely, 2^4999128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4999128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6606540).

4999128 is an abundant number, since it is smaller than the sum of its proper divisors (8213952).

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

4999128 is a wasteful number, since it uses less digits than its factorization.

4999128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624 (or 601 counting only the distinct ones).

The product of its digits is 46656, while the sum is 42.

The square root of 4999128 is about 2235.8729838701. The cubic root of 4999128 is about 170.9876534296.

The spelling of 4999128 in words is "four million, nine hundred ninety-nine thousand, one hundred twenty-eight".