389898611 has 2 divisors, whose sum is σ = 389898612. Its totient is φ = 389898610.

The previous prime is 389898589. The next prime is 389898629. The reversal of 389898611 is 116898983.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389898611 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (389898211) 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, 194949305 + 194949306.

It is an arithmetic number, because the mean of its divisors is an integer number (194949306).

Almost surely, 2^389898611 is an apocalyptic number.

389898611 is a deficient number, since it is larger than the sum of its proper divisors (1).

389898611 is an equidigital number, since it uses as much as digits as its factorization.

389898611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 53.

The square root of 389898611 is about 19745.8504754797. The cubic root of 389898611 is about 730.5510388770.

The spelling of 389898611 in words is "three hundred eighty-nine million, eight hundred ninety-eight thousand, six hundred eleven".