389014243 has 2 divisors, whose sum is σ = 389014244. Its totient is φ = 389014242.

The previous prime is 389014193. The next prime is 389014271. The reversal of 389014243 is 342410983.

It is a strong prime.

It is an emirp because it is prime and its reverse (342410983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 389014243 - 2⁹ = 389013731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 389014199 and 389014208.

It is not a weakly prime, because it can be changed into another prime (389011243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194507121 + 194507122.

It is an arithmetic number, because the mean of its divisors is an integer number (194507122).

Almost surely, 2^389014243 is an apocalyptic number.

389014243 is a deficient number, since it is larger than the sum of its proper divisors (1).

389014243 is an equidigital number, since it uses as much as digits as its factorization.

389014243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 389014243 is about 19723.4439943941. The cubic root of 389014243 is about 729.9982754697.

The spelling of 389014243 in words is "three hundred eighty-nine million, fourteen thousand, two hundred forty-three".