196963427 has 2 divisors, whose sum is σ = 196963428. Its totient is φ = 196963426.

The previous prime is 196963409. The next prime is 196963439. The reversal of 196963427 is 724369691.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (724369691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196963427 - 2²² = 192769123 is a prime.

It is not a weakly prime, because it can be changed into another prime (196963457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98481713 + 98481714.

It is an arithmetic number, because the mean of its divisors is an integer number (98481714).

Almost surely, 2^196963427 is an apocalyptic number.

196963427 is a deficient number, since it is larger than the sum of its proper divisors (1).

196963427 is an equidigital number, since it uses as much as digits as its factorization.

196963427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 47.

The square root of 196963427 is about 14034.3659279641. The cubic root of 196963427 is about 581.8287768379.

The spelling of 196963427 in words is "one hundred ninety-six million, nine hundred sixty-three thousand, four hundred twenty-seven".