196655047 has 4 divisors (see below), whose sum is σ = 196707976. Its totient is φ = 196602120.

The previous prime is 196655021. The next prime is 196655059. The reversal of 196655047 is 740556691.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 196655047 - 2¹¹ = 196652999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196654994 and 196655012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196655077) 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, 20433 + ... + 28474.

It is an arithmetic number, because the mean of its divisors is an integer number (49176994).

Almost surely, 2^196655047 is an apocalyptic number.

196655047 is a deficient number, since it is larger than the sum of its proper divisors (52929).

196655047 is an equidigital number, since it uses as much as digits as its factorization.

196655047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52928.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 196655047 is about 14023.3750217271. The cubic root of 196655047 is about 581.5249673399.

The spelling of 196655047 in words is "one hundred ninety-six million, six hundred fifty-five thousand, forty-seven".