389208103 has 8 divisors (see below), whose sum is σ = 411016320. Its totient is φ = 367532280.

The previous prime is 389208089. The next prime is 389208107. The reversal of 389208103 is 301802983.

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 389208103 - 2²⁵ = 355653671 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 (389208107) 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, 27025 + ... + 38842.

It is an arithmetic number, because the mean of its divisors is an integer number (51377040).

Almost surely, 2^389208103 is an apocalyptic number.

389208103 is a deficient number, since it is larger than the sum of its proper divisors (21808217).

389208103 is a wasteful number, since it uses less digits than its factorization.

389208103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66197.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 389208103 is about 19728.3578384010. The cubic root of 389208103 is about 730.1195169298.

The spelling of 389208103 in words is "three hundred eighty-nine million, two hundred eight thousand, one hundred three".