389130111 has 12 divisors (see below), whose sum is σ = 565328088. Its totient is φ = 257919504.

The previous prime is 389130107. The next prime is 389130143. The reversal of 389130111 is 111031983.

It is a happy number.

It is not a de Polignac number, because 389130111 - 2² = 389130107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389130151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123405 + ... + 126518.

It is an arithmetic number, because the mean of its divisors is an integer number (47110674).

Almost surely, 2^389130111 is an apocalyptic number.

389130111 is a deficient number, since it is larger than the sum of its proper divisors (176197977).

389130111 is a wasteful number, since it uses less digits than its factorization.

389130111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250102 (or 250099 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 389130111 is about 19726.3810923342. The cubic root of 389130111 is about 730.0707450047.

The spelling of 389130111 in words is "three hundred eighty-nine million, one hundred thirty thousand, one hundred eleven".