196964447 has 2 divisors, whose sum is σ = 196964448. Its totient is φ = 196964446.

The previous prime is 196964419. The next prime is 196964461. The reversal of 196964447 is 744469691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 196964447 - 2⁸ = 196964191 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 196964395 and 196964404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196964407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98482223 + 98482224.

It is an arithmetic number, because the mean of its divisors is an integer number (98482224).

Almost surely, 2^196964447 is an apocalyptic number.

196964447 is a deficient number, since it is larger than the sum of its proper divisors (1).

196964447 is an equidigital number, since it uses as much as digits as its factorization.

196964447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 50.

The square root of 196964447 is about 14034.4022672859. The cubic root of 196964447 is about 581.8297811941.

It can be divided in two parts, 1969644 and 47, that added together give a palindrome (1969691).

The spelling of 196964447 in words is "one hundred ninety-six million, nine hundred sixty-four thousand, four hundred forty-seven".