196445289 has 8 divisors (see below), whose sum is σ = 267500160. Its totient is φ = 128176976.

The previous prime is 196445287. The next prime is 196445297. The reversal of 196445289 is 982544691.

196445289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 196445289 - 2¹ = 196445287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196445287) 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, 696474 + ... + 696755.

It is an arithmetic number, because the mean of its divisors is an integer number (33437520).

Almost surely, 2^196445289 is an apocalyptic number.

It is an amenable number.

196445289 is a deficient number, since it is larger than the sum of its proper divisors (71054871).

196445289 is a wasteful number, since it uses less digits than its factorization.

196445289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393279.

The product of its digits is 622080, while the sum is 48.

The square root of 196445289 is about 14015.8941562784. The cubic root of 196445289 is about 581.3181366303.

The spelling of 196445289 in words is "one hundred ninety-six million, four hundred forty-five thousand, two hundred eighty-nine".