389309223 has 8 divisors (see below), whose sum is σ = 519218928. Its totient is φ = 259469504.

The previous prime is 389309213. The next prime is 389309243. The reversal of 389309223 is 322903983.

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

It is a cyclic number.

It is not a de Polignac number, because 389309223 - 2¹⁸ = 389047079 is a prime.

It is a super-2 number, since 2×389309223² = 303123342225727458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389309213) 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, 2736 + ... + 28037.

It is an arithmetic number, because the mean of its divisors is an integer number (64902366).

Almost surely, 2^389309223 is an apocalyptic number.

389309223 is a deficient number, since it is larger than the sum of its proper divisors (129909705).

389309223 is a wasteful number, since it uses less digits than its factorization.

389309223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34993.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 389309223 is about 19730.9204803020. The cubic root of 389309223 is about 730.1827421402.

The spelling of 389309223 in words is "three hundred eighty-nine million, three hundred nine thousand, two hundred twenty-three".