4389959 has 6 divisors (see below), whose sum is σ = 5106744. Its totient is φ = 3762780.

The previous prime is 4389947. The next prime is 4389971. The reversal of 4389959 is 9599834.

It is an interprime number because it is at equal distance from previous prime (4389947) and next prime (4389971).

It is not a de Polignac number, because 4389959 - 2¹² = 4385863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4389919) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44747 + ... + 44844.

It is an arithmetic number, because the mean of its divisors is an integer number (851124).

Almost surely, 2^4389959 is an apocalyptic number.

4389959 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4389959 is a deficient number, since it is larger than the sum of its proper divisors (716785).

4389959 is an equidigital number, since it uses as much as digits as its factorization.

4389959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89605 (or 89598 counting only the distinct ones).

The product of its digits is 349920, while the sum is 47.

The square root of 4389959 is about 2095.2228998367. Note that the first 3 decimals coincide. The cubic root of 4389959 is about 163.7395106231.

The spelling of 4389959 in words is "four million, three hundred eighty-nine thousand, nine hundred fifty-nine".