389340101 has 2 divisors, whose sum is σ = 389340102. Its totient is φ = 389340100.

The previous prime is 389340097. The next prime is 389340121. The reversal of 389340101 is 101043983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271096225 + 118243876 = 16465^2 + 10874^2 .

It is an emirp because it is prime and its reverse (101043983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 389340101 - 2² = 389340097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389340121) 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, 194670050 + 194670051.

It is an arithmetic number, because the mean of its divisors is an integer number (194670051).

Almost surely, 2^389340101 is an apocalyptic number.

It is an amenable number.

389340101 is a deficient number, since it is larger than the sum of its proper divisors (1).

389340101 is an equidigital number, since it uses as much as digits as its factorization.

389340101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 389340101 is about 19731.7029422197. The cubic root of 389340101 is about 730.2020464064.

The spelling of 389340101 in words is "three hundred eighty-nine million, three hundred forty thousand, one hundred one".