196454449 has 4 divisors (see below), whose sum is σ = 197125236. Its totient is φ = 195783664.

The previous prime is 196454441. The next prime is 196454491. The reversal of 196454449 is 944454691.

196454449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 191324224 + 5130225 = 13832^2 + 2265^2 .

It is a cyclic number.

It is not a de Polignac number, because 196454449 - 2³ = 196454441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196454399 and 196454408.

It is not an unprimeable number, because it can be changed into a prime (196454441) 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, 334954 + ... + 335539.

It is an arithmetic number, because the mean of its divisors is an integer number (49281309).

Almost surely, 2^196454449 is an apocalyptic number.

It is an amenable number.

196454449 is a deficient number, since it is larger than the sum of its proper divisors (670787).

196454449 is an equidigital number, since it uses as much as digits as its factorization.

196454449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670786.

The product of its digits is 622080, while the sum is 46.

The square root of 196454449 is about 14016.2209243433. The cubic root of 196454449 is about 581.3271718709.

The spelling of 196454449 in words is "one hundred ninety-six million, four hundred fifty-four thousand, four hundred forty-nine".