196993907 has 8 divisors (see below), whose sum is σ = 215032320. Its totient is φ = 178977160.

The previous prime is 196993903. The next prime is 196993913. The reversal of 196993907 is 709399691.

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 196993907 - 2² = 196993903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196993903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18038 + ... + 26820.

It is an arithmetic number, because the mean of its divisors is an integer number (26879040).

Almost surely, 2^196993907 is an apocalyptic number.

196993907 is a deficient number, since it is larger than the sum of its proper divisors (18038413).

196993907 is a wasteful number, since it uses less digits than its factorization.

196993907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10833.

The product of its (nonzero) digits is 826686, while the sum is 53.

The square root of 196993907 is about 14035.4517918021. The cubic root of 196993907 is about 581.8587878687.

The spelling of 196993907 in words is "one hundred ninety-six million, nine hundred ninety-three thousand, nine hundred seven".