4487889 has 16 divisors (see below), whose sum is σ = 6985728. Its totient is φ = 2509392.

The previous prime is 4487887. The next prime is 4487891. The reversal of 4487889 is 9887844.

It is an interprime number because it is at equal distance from previous prime (4487887) and next prime (4487891).

It is not a de Polignac number, because 4487889 - 2¹ = 4487887 is a prime.

It is a super-2 number, since 2×4487889² = 40282295352642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4487887) 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 15 ways as a sum of consecutive naturals, for example, 1287 + ... + 3260.

It is an arithmetic number, because the mean of its divisors is an integer number (436608).

Almost surely, 2^4487889 is an apocalyptic number.

It is an amenable number.

4487889 is a deficient number, since it is larger than the sum of its proper divisors (2497839).

4487889 is a wasteful number, since it uses less digits than its factorization.

4487889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4604.

The product of its digits is 516096, while the sum is 48.

The square root of 4487889 is about 2118.4638302317. The cubic root of 4487889 is about 164.9481195936.

Subtracting from 4487889 its product of digits (516096), we obtain a palindrome (3971793).

The spelling of 4487889 in words is "four million, four hundred eighty-seven thousand, eight hundred eighty-nine".