389303 has 2 divisors, whose sum is σ = 389304. Its totient is φ = 389302.

The previous prime is 389299. The next prime is 389357. The reversal of 389303 is 303983.

It is a weak prime.

It is an emirp because it is prime and its reverse (303983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 389303 - 2² = 389299 is a prime.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 389303.

It is not a weakly prime, because it can be changed into another prime (389003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194651 + 194652.

It is an arithmetic number, because the mean of its divisors is an integer number (194652).

2³⁸⁹³⁰³ is an apocalyptic number.

389303 is a deficient number, since it is larger than the sum of its proper divisors (1).

389303 is an equidigital number, since it uses as much as digits as its factorization.

389303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 389303 is about 623.9415036684. The cubic root of 389303 is about 73.0178851530.

The spelling of 389303 in words is "three hundred eighty-nine thousand, three hundred three".