196443473 has 4 divisors (see below), whose sum is σ = 197990400. Its totient is φ = 194896548.

The previous prime is 196443469. The next prime is 196443491. The reversal of 196443473 is 374344691.

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 196443473 - 2² = 196443469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 196443473.

It is not an unprimeable number, because it can be changed into a prime (196443673) 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, 773273 + ... + 773526.

It is an arithmetic number, because the mean of its divisors is an integer number (49497600).

Almost surely, 2^196443473 is an apocalyptic number.

It is an amenable number.

196443473 is a deficient number, since it is larger than the sum of its proper divisors (1546927).

196443473 is a wasteful number, since it uses less digits than its factorization.

196443473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546926.

The product of its digits is 217728, while the sum is 41.

The square root of 196443473 is about 14015.8293725345. The cubic root of 196443473 is about 581.3163453309.

The spelling of 196443473 in words is "one hundred ninety-six million, four hundred forty-three thousand, four hundred seventy-three".