4987389 has 16 divisors (see below), whose sum is σ = 7570944. Its totient is φ = 2890800.

The previous prime is 4987351. The next prime is 4987393. The reversal of 4987389 is 9837894.

It is not a de Polignac number, because 4987389 - 2¹⁶ = 4921853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4987319) 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 15 ways as a sum of consecutive naturals, for example, 2527 + ... + 4044.

It is an arithmetic number, because the mean of its divisors is an integer number (473184).

Almost surely, 2^4987389 is an apocalyptic number.

It is an amenable number.

4987389 is a deficient number, since it is larger than the sum of its proper divisors (2583555).

4987389 is a wasteful number, since it uses less digits than its factorization.

4987389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6608.

The product of its digits is 435456, while the sum is 48.

The square root of 4987389 is about 2233.2462918362. The cubic root of 4987389 is about 170.8537102536.

It can be divided in two parts, 498 and 7389, that added together give a palindrome (7887).

The spelling of 4987389 in words is "four million, nine hundred eighty-seven thousand, three hundred eighty-nine".