389003 has 2 divisors, whose sum is σ = 389004. Its totient is φ = 389002.

The previous prime is 388991. The next prime is 389023. The reversal of 389003 is 300983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 389003 - 2¹² = 384907 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 389003.

It is not a weakly prime, because it can be changed into another prime (389023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194501 + 194502.

It is an arithmetic number, because the mean of its divisors is an integer number (194502).

2³⁸⁹⁰⁰³ is an apocalyptic number.

389003 is a deficient number, since it is larger than the sum of its proper divisors (1).

389003 is an equidigital number, since it uses as much as digits as its factorization.

389003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 389003 is about 623.7010501835. The cubic root of 389003 is about 72.9991242780. Note that the first 3 decimals are identical.

Adding to 389003 its reverse (300983), we get a palindrome (689986).

The spelling of 389003 in words is "three hundred eighty-nine thousand, three".