196920047 has 4 divisors (see below), whose sum is σ = 207284280. Its totient is φ = 186555816.

The previous prime is 196920037. The next prime is 196920067. The reversal of 196920047 is 740029691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740029691 = 191 ⋅3874501.

It is a cyclic number.

It is not a de Polignac number, because 196920047 - 2¹² = 196915951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196920037) 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, 5182088 + ... + 5182125.

It is an arithmetic number, because the mean of its divisors is an integer number (51821070).

Almost surely, 2^196920047 is an apocalyptic number.

196920047 is a deficient number, since it is larger than the sum of its proper divisors (10364233).

196920047 is a wasteful number, since it uses less digits than its factorization.

196920047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10364232.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 196920047 is about 14032.8203508774. The cubic root of 196920047 is about 581.7860589487.

The spelling of 196920047 in words is "one hundred ninety-six million, nine hundred twenty thousand, forty-seven".