4389429 has 8 divisors (see below), whose sum is σ = 6384672. Its totient is φ = 2660240.

The previous prime is 4389403. The next prime is 4389439. The reversal of 4389429 is 9249834.

4389429 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4389429 - 2¹⁵ = 4356661 is a prime.

It is a d-powerful number, because it can be written as 4⁷ + 3¹¹ + 8 + 9³ + 4¹¹ + 2⁷ + 9³ .

4389429 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4389439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66474 + ... + 66539.

It is an arithmetic number, because the mean of its divisors is an integer number (798084).

Almost surely, 2^4389429 is an apocalyptic number.

It is an amenable number.

4389429 is a deficient number, since it is larger than the sum of its proper divisors (1995243).

4389429 is a wasteful number, since it uses less digits than its factorization.

4389429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133027.

The product of its digits is 62208, while the sum is 39.

The square root of 4389429 is about 2095.0964178290. The cubic root of 4389429 is about 163.7329209311.

It can be divided in two parts, 4389 and 429, that multiplied together give a palindrome (1882881).

The spelling of 4389429 in words is "four million, three hundred eighty-nine thousand, four hundred twenty-nine".