196266937 has 4 divisors (see below), whose sum is σ = 198210276. Its totient is φ = 194323600.

The previous prime is 196266923. The next prime is 196266977. The reversal of 196266937 is 739662691.

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 194295721 + 1971216 = 13939^2 + 1404^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196266937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196266977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 971518 + ... + 971719.

It is an arithmetic number, because the mean of its divisors is an integer number (49552569).

Almost surely, 2^196266937 is an apocalyptic number.

It is an amenable number.

196266937 is a deficient number, since it is larger than the sum of its proper divisors (1943339).

196266937 is a wasteful number, since it uses less digits than its factorization.

196266937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943338.

The product of its digits is 734832, while the sum is 49.

The square root of 196266937 is about 14009.5302205320. The cubic root of 196266937 is about 581.1421577859.

The spelling of 196266937 in words is "one hundred ninety-six million, two hundred sixty-six thousand, nine hundred thirty-seven".