196394903 has 2 divisors, whose sum is σ = 196394904. Its totient is φ = 196394902.

The previous prime is 196394881. The next prime is 196394917. The reversal of 196394903 is 309493691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 196394903 - 2²⁶ = 129286039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196394983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98197451 + 98197452.

It is an arithmetic number, because the mean of its divisors is an integer number (98197452).

Almost surely, 2^196394903 is an apocalyptic number.

196394903 is a deficient number, since it is larger than the sum of its proper divisors (1).

196394903 is an equidigital number, since it uses as much as digits as its factorization.

196394903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 44.

The square root of 196394903 is about 14014.0965816566. The cubic root of 196394903 is about 581.2684318663.

It can be divided in two parts, 19639 and 4903, that added together give a palindrome (24542).

The spelling of 196394903 in words is "one hundred ninety-six million, three hundred ninety-four thousand, nine hundred three".