4347389 has 4 divisors (see below), whose sum is σ = 4464924. Its totient is φ = 4229856.

The previous prime is 4347379. The next prime is 4347403. The reversal of 4347389 is 9837434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9837434 = 2 ⋅4918717.

It can be written as a sum of positive squares in 2 ways, for example, as 2696164 + 1651225 = 1642^2 + 1285^2 .

It is a cyclic number.

It is not a de Polignac number, because 4347389 - 2¹² = 4343293 is a prime.

It is a super-2 number, since 2×4347389² = 37799582234642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4347319) 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 3 ways as a sum of consecutive naturals, for example, 58712 + ... + 58785.

It is an arithmetic number, because the mean of its divisors is an integer number (1116231).

Almost surely, 2^4347389 is an apocalyptic number.

It is an amenable number.

4347389 is a deficient number, since it is larger than the sum of its proper divisors (117535).

4347389 is a wasteful number, since it uses less digits than its factorization.

4347389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117534.

The product of its digits is 72576, while the sum is 38.

The square root of 4347389 is about 2085.0393281663. The cubic root of 4347389 is about 163.2085228192.

The spelling of 4347389 in words is "four million, three hundred forty-seven thousand, three hundred eighty-nine".