196108249 has 4 divisors (see below), whose sum is σ = 196137936. Its totient is φ = 196078564.

The previous prime is 196108247. The next prime is 196108259. The reversal of 196108249 is 942801691.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 196108249 - 2¹ = 196108247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196108247) 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, 42 + ... + 19804.

It is an arithmetic number, because the mean of its divisors is an integer number (49034484).

Almost surely, 2^196108249 is an apocalyptic number.

It is an amenable number.

196108249 is a deficient number, since it is larger than the sum of its proper divisors (29687).

196108249 is an equidigital number, since it uses as much as digits as its factorization.

196108249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29686.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 196108249 is about 14003.8655020676. The cubic root of 196108249 is about 580.9854916426.

The spelling of 196108249 in words is "one hundred ninety-six million, one hundred eight thousand, two hundred forty-nine".