196717249 has 4 divisors (see below), whose sum is σ = 196961220. Its totient is φ = 196473280.

The previous prime is 196717247. The next prime is 196717259. The reversal of 196717249 is 942717691.

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 108826624 + 87890625 = 10432^2 + 9375^2 .

It is a cyclic number.

It is not a de Polignac number, because 196717249 - 2¹ = 196717247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196717199 and 196717208.

It is not an unprimeable number, because it can be changed into a prime (196717247) 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, 120772 + ... + 122389.

It is an arithmetic number, because the mean of its divisors is an integer number (49240305).

Almost surely, 2^196717249 is an apocalyptic number.

It is an amenable number.

196717249 is a deficient number, since it is larger than the sum of its proper divisors (243971).

196717249 is an equidigital number, since it uses as much as digits as its factorization.

196717249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243970.

The product of its digits is 190512, while the sum is 46.

The square root of 196717249 is about 14025.5926434500. The cubic root of 196717249 is about 581.5862730010.

The spelling of 196717249 in words is "one hundred ninety-six million, seven hundred seventeen thousand, two hundred forty-nine".