196386189 has 4 divisors (see below), whose sum is σ = 261848256. Its totient is φ = 130924124.

The previous prime is 196386137. The next prime is 196386199. The reversal of 196386189 is 981683691.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 196386189 - 2⁸ = 196385933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196386199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32731029 + ... + 32731034.

It is an arithmetic number, because the mean of its divisors is an integer number (65462064).

Almost surely, 2^196386189 is an apocalyptic number.

It is an amenable number.

196386189 is a deficient number, since it is larger than the sum of its proper divisors (65462067).

196386189 is an equidigital number, since it uses as much as digits as its factorization.

196386189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65462066.

The product of its digits is 559872, while the sum is 51.

The square root of 196386189 is about 14013.7856769682. The cubic root of 196386189 is about 581.2598348203.

The spelling of 196386189 in words is "one hundred ninety-six million, three hundred eighty-six thousand, one hundred eighty-nine".