389429 has 4 divisors (see below), whose sum is σ = 392160. Its totient is φ = 386700.

The previous prime is 389401. The next prime is 389437. The reversal of 389429 is 924983.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 924983 = 73 ⋅12671.

It is a cyclic number.

It is not a de Polignac number, because 389429 - 2⁸ = 389173 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 (389479) 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 3 ways as a sum of consecutive naturals, for example, 1139 + ... + 1440.

It is an arithmetic number, because the mean of its divisors is an integer number (98040).

2³⁸⁹⁴²⁹ is an apocalyptic number.

It is an amenable number.

389429 is a deficient number, since it is larger than the sum of its proper divisors (2731).

389429 is a wasteful number, since it uses less digits than its factorization.

389429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730.

The product of its digits is 15552, while the sum is 35.

The square root of 389429 is about 624.0424665037. The cubic root of 389429 is about 73.0257618464.

It can be divided in two parts, 389 and 429, that added together give a palindrome (818).

The spelling of 389429 in words is "three hundred eighty-nine thousand, four hundred twenty-nine".