196944917 has 4 divisors (see below), whose sum is σ = 212094540. Its totient is φ = 181795296.

The previous prime is 196944911. The next prime is 196944919. The reversal of 196944917 is 719449691.

It is a happy number.

196944917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40844881 + 156100036 = 6391^2 + 12494^2 .

It is a cyclic number.

It is not a de Polignac number, because 196944917 - 2⁴ = 196944901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196944911) 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, 7574792 + ... + 7574817.

It is an arithmetic number, because the mean of its divisors is an integer number (53023635).

Almost surely, 2^196944917 is an apocalyptic number.

It is an amenable number.

196944917 is a deficient number, since it is larger than the sum of its proper divisors (15149623).

196944917 is a wasteful number, since it uses less digits than its factorization.

196944917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15149622.

The product of its digits is 489888, while the sum is 50.

The square root of 196944917 is about 14033.7064598060. The cubic root of 196944917 is about 581.8105501241.

The spelling of 196944917 in words is "one hundred ninety-six million, nine hundred forty-four thousand, nine hundred seventeen".