389603 has 4 divisors (see below), whose sum is σ = 397008. Its totient is φ = 382200.

The previous prime is 389591. The next prime is 389621. The reversal of 389603 is 306983.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 389603 - 2⁶ = 389539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3623 + ... + 3728.

It is an arithmetic number, because the mean of its divisors is an integer number (99252).

2³⁸⁹⁶⁰³ is an apocalyptic number.

389603 is a deficient number, since it is larger than the sum of its proper divisors (7405).

389603 is an equidigital number, since it uses as much as digits as its factorization.

389603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7404.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 389603 is about 624.1818645235. The cubic root of 389603 is about 73.0366363923.

The spelling of 389603 in words is "three hundred eighty-nine thousand, six hundred three".