389309229 has 36 divisors (see below), whose sum is σ = 586533376. Its totient is φ = 248681664.

The previous prime is 389309213. The next prime is 389309243. The reversal of 389309229 is 922903983.

It is not a de Polignac number, because 389309229 - 2⁴ = 389309213 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 (389309279) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3065364 + ... + 3065490.

Almost surely, 2^389309229 is an apocalyptic number.

It is an amenable number.

389309229 is a deficient number, since it is larger than the sum of its proper divisors (197224147).

389309229 is a wasteful number, since it uses less digits than its factorization.

389309229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 389309229 is about 19730.9206323476. The cubic root of 389309229 is about 730.1827458914.

The spelling of 389309229 in words is "three hundred eighty-nine million, three hundred nine thousand, two hundred twenty-nine".