196855049 has 2 divisors, whose sum is σ = 196855050. Its totient is φ = 196855048.

The previous prime is 196855031. The next prime is 196855201. The reversal of 196855049 is 940558691.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 175297600 + 21557449 = 13240^2 + 4643^2 .

It is a cyclic number.

It is not a de Polignac number, because 196855049 - 2¹⁶ = 196789513 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 196854994 and 196855012.

It is not a weakly prime, because it can be changed into another prime (196851049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98427524 + 98427525.

It is an arithmetic number, because the mean of its divisors is an integer number (98427525).

Almost surely, 2^196855049 is an apocalyptic number.

It is an amenable number.

196855049 is a deficient number, since it is larger than the sum of its proper divisors (1).

196855049 is an equidigital number, since it uses as much as digits as its factorization.

196855049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 47.

The square root of 196855049 is about 14030.5042318514. The cubic root of 196855049 is about 581.7220412722.

The spelling of 196855049 in words is "one hundred ninety-six million, eight hundred fifty-five thousand, forty-nine".