389229 has 8 divisors (see below), whose sum is σ = 541632. Its totient is φ = 248160.

The previous prime is 389227. The next prime is 389231. The reversal of 389229 is 922983.

It is an interprime number because it is at equal distance from previous prime (389227) and next prime (389231).

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

It is not a de Polignac number, because 389229 - 2¹ = 389227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 389229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389227) 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 7 ways as a sum of consecutive naturals, for example, 2752 + ... + 2889.

It is an arithmetic number, because the mean of its divisors is an integer number (67704).

2³⁸⁹²²⁹ is an apocalyptic number.

It is an amenable number.

389229 is a deficient number, since it is larger than the sum of its proper divisors (152403).

389229 is a wasteful number, since it uses less digits than its factorization.

389229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5667.

The product of its digits is 7776, while the sum is 33.

The square root of 389229 is about 623.8822004193. The cubic root of 389229 is about 73.0132583662.

The spelling of 389229 in words is "three hundred eighty-nine thousand, two hundred twenty-nine".