196035649 has 4 divisors (see below), whose sum is σ = 196089264. Its totient is φ = 195982036.

The previous prime is 196035641. The next prime is 196035659. The reversal of 196035649 is 946530691.

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, and also an emirpimes, since its reverse is a distinct semiprime: 946530691 = 101 ⋅9371591.

It is a cyclic number.

It is not a de Polignac number, because 196035649 - 2³ = 196035641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196035641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20887 + ... + 28780.

It is an arithmetic number, because the mean of its divisors is an integer number (49022316).

Almost surely, 2^196035649 is an apocalyptic number.

It is an amenable number.

196035649 is a deficient number, since it is larger than the sum of its proper divisors (53615).

196035649 is an equidigital number, since it uses as much as digits as its factorization.

196035649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53614.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 196035649 is about 14001.2731206844. The cubic root of 196035649 is about 580.9137884668.

It can be divided in two parts, 19603 and 5649, that added together give a palindrome (25252).

The spelling of 196035649 in words is "one hundred ninety-six million, thirty-five thousand, six hundred forty-nine".