196339989 has 8 divisors (see below), whose sum is σ = 261856800. Its totient is φ = 130858256.

The previous prime is 196339943. The next prime is 196339993. The reversal of 196339989 is 989933691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 196339989 - 2⁷ = 196339861 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196339999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10087 + ... + 22235.

It is an arithmetic number, because the mean of its divisors is an integer number (32732100).

Almost surely, 2^196339989 is an apocalyptic number.

It is an amenable number.

196339989 is a deficient number, since it is larger than the sum of its proper divisors (65516811).

196339989 is a wasteful number, since it uses less digits than its factorization.

196339989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17539.

The product of its digits is 2834352, while the sum is 57.

The square root of 196339989 is about 14012.1372031536. The cubic root of 196339989 is about 581.2142506398.

The spelling of 196339989 in words is "one hundred ninety-six million, three hundred thirty-nine thousand, nine hundred eighty-nine".