196433849 has 4 divisors (see below), whose sum is σ = 203207460. Its totient is φ = 189660240.

The previous prime is 196433819. The next prime is 196433903. The reversal of 196433849 is 948334691.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 948334691 = 347 ⋅2732953.

It can be written as a sum of positive squares in 2 ways, for example, as 143041600 + 53392249 = 11960^2 + 7307^2 .

It is a cyclic number.

It is not a de Polignac number, because 196433849 - 2²⁰ = 195385273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196433819) 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, 3386762 + ... + 3386819.

It is an arithmetic number, because the mean of its divisors is an integer number (50801865).

Almost surely, 2^196433849 is an apocalyptic number.

It is an amenable number.

196433849 is a deficient number, since it is larger than the sum of its proper divisors (6773611).

196433849 is an equidigital number, since it uses as much as digits as its factorization.

196433849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6773610.

The product of its digits is 559872, while the sum is 47.

The square root of 196433849 is about 14015.4860422320. The cubic root of 196433849 is about 581.3068520489.

The spelling of 196433849 in words is "one hundred ninety-six million, four hundred thirty-three thousand, eight hundred forty-nine".