4839989 has 16 divisors (see below), whose sum is σ = 6082560. Its totient is φ = 3741360.

The previous prime is 4839977. The next prime is 4839997. The reversal of 4839989 is 9899384.

It is not a de Polignac number, because 4839989 - 2¹² = 4835893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4839929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18272 + ... + 18534.

It is an arithmetic number, because the mean of its divisors is an integer number (380160).

Almost surely, 2^4839989 is an apocalyptic number.

It is an amenable number.

4839989 is a deficient number, since it is larger than the sum of its proper divisors (1242571).

4839989 is a wasteful number, since it uses less digits than its factorization.

4839989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520.

The product of its digits is 559872, while the sum is 50.

The square root of 4839989 is about 2199.9974999986. The cubic root of 4839989 is about 169.1536830154.

The spelling of 4839989 in words is "four million, eight hundred thirty-nine thousand, nine hundred eighty-nine".