196906447 has 2 divisors, whose sum is σ = 196906448. Its totient is φ = 196906446.

The previous prime is 196906397. The next prime is 196906471. The reversal of 196906447 is 744609691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 196906447 - 2¹⁵ = 196873679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 196906397 and 196906406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196906487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98453223 + 98453224.

It is an arithmetic number, because the mean of its divisors is an integer number (98453224).

Almost surely, 2^196906447 is an apocalyptic number.

196906447 is a deficient number, since it is larger than the sum of its proper divisors (1).

196906447 is an equidigital number, since it uses as much as digits as its factorization.

196906447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 196906447 is about 14032.3357642269. The cubic root of 196906447 is about 581.7726652344.

The spelling of 196906447 in words is "one hundred ninety-six million, nine hundred six thousand, four hundred forty-seven".