196947473 has 2 divisors, whose sum is σ = 196947474. Its totient is φ = 196947472.

The previous prime is 196947451. The next prime is 196947481. The reversal of 196947473 is 374749691.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194658304 + 2289169 = 13952^2 + 1513^2 .

It is an emirp because it is prime and its reverse (374749691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196947473 - 2¹⁸ = 196685329 is a prime.

It is not a weakly prime, because it can be changed into another prime (196947493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98473736 + 98473737.

It is an arithmetic number, because the mean of its divisors is an integer number (98473737).

Almost surely, 2^196947473 is an apocalyptic number.

It is an amenable number.

196947473 is a deficient number, since it is larger than the sum of its proper divisors (1).

196947473 is an equidigital number, since it uses as much as digits as its factorization.

196947473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 50.

The square root of 196947473 is about 14033.7975259728. The cubic root of 196947473 is about 581.8130670737.

The spelling of 196947473 in words is "one hundred ninety-six million, nine hundred forty-seven thousand, four hundred seventy-three".