4988889 has 12 divisors (see below), whose sum is σ = 7255872. Its totient is φ = 3303000.

The previous prime is 4988843. The next prime is 4988891. The reversal of 4988889 is 9888894.

It is not a de Polignac number, because 4988889 - 2⁷ = 4988761 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4988189) 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 11 ways as a sum of consecutive naturals, for example, 477 + ... + 3194.

It is an arithmetic number, because the mean of its divisors is an integer number (604656).

Almost surely, 2^4988889 is an apocalyptic number.

It is an amenable number.

4988889 is a deficient number, since it is larger than the sum of its proper divisors (2266983).

4988889 is a wasteful number, since it uses less digits than its factorization.

4988889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828 (or 3825 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 54.

The square root of 4988889 is about 2233.5821005730. The cubic root of 4988889 is about 170.8708371094.

The spelling of 4988889 in words is "four million, nine hundred eighty-eight thousand, eight hundred eighty-nine".