389230783 has 2 divisors, whose sum is σ = 389230784. Its totient is φ = 389230782.

The previous prime is 389230747. The next prime is 389230801. The reversal of 389230783 is 387032983.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 389230783 - 2⁹ = 389230271 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389230703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194615391 + 194615392.

It is an arithmetic number, because the mean of its divisors is an integer number (194615392).

Almost surely, 2^389230783 is an apocalyptic number.

389230783 is a deficient number, since it is larger than the sum of its proper divisors (1).

389230783 is an equidigital number, since it uses as much as digits as its factorization.

389230783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 389230783 is about 19728.9326371195. The cubic root of 389230783 is about 730.1336985368.

The spelling of 389230783 in words is "three hundred eighty-nine million, two hundred thirty thousand, seven hundred eighty-three".