196117288 has 8 divisors (see below), whose sum is σ = 367719930. Its totient is φ = 98058640.

The previous prime is 196117283. The next prime is 196117307. The reversal of 196117288 is 882711691.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 182736324 + 13380964 = 13518^2 + 3658^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (196117283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12257323 + ... + 12257338.

Almost surely, 2^196117288 is an apocalyptic number.

It is an amenable number.

196117288 is a deficient number, since it is larger than the sum of its proper divisors (171602642).

196117288 is a wasteful number, since it uses less digits than its factorization.

196117288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24514667 (or 24514663 counting only the distinct ones).

The product of its digits is 48384, while the sum is 43.

The square root of 196117288 is about 14004.1882306687. The cubic root of 196117288 is about 580.9944177454.

The spelling of 196117288 in words is "one hundred ninety-six million, one hundred seventeen thousand, two hundred eighty-eight".