389650191 has 16 divisors (see below), whose sum is σ = 612907008. Its totient is φ = 215474400.

The previous prime is 389650181. The next prime is 389650193. The reversal of 389650191 is 191056983.

It is not a de Polignac number, because 389650191 - 2¹⁸ = 389388047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389650193) 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 in 15 ways as a sum of consecutive naturals, for example, 298620 + ... + 299921.

It is an arithmetic number, because the mean of its divisors is an integer number (38306688).

Almost surely, 2^389650191 is an apocalyptic number.

389650191 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

389650191 is a deficient number, since it is larger than the sum of its proper divisors (223256817).

389650191 is a wasteful number, since it uses less digits than its factorization.

389650191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598582.

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 389650191 is about 19739.5590376280. The cubic root of 389650191 is about 730.3958514846.

The spelling of 389650191 in words is "three hundred eighty-nine million, six hundred fifty thousand, one hundred ninety-one".