196363421 has 2 divisors, whose sum is σ = 196363422. Its totient is φ = 196363420.

The previous prime is 196363417. The next prime is 196363441. The reversal of 196363421 is 124363691.

It is a happy number.

196363421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187279225 + 9084196 = 13685^2 + 3014^2 .

It is a cyclic number.

It is not a de Polignac number, because 196363421 - 2² = 196363417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196363441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98181710 + 98181711.

It is an arithmetic number, because the mean of its divisors is an integer number (98181711).

Almost surely, 2^196363421 is an apocalyptic number.

It is an amenable number.

196363421 is a deficient number, since it is larger than the sum of its proper divisors (1).

196363421 is an equidigital number, since it uses as much as digits as its factorization.

196363421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 35.

The square root of 196363421 is about 14012.9733104720. The cubic root of 196363421 is about 581.2373711982.

The spelling of 196363421 in words is "one hundred ninety-six million, three hundred sixty-three thousand, four hundred twenty-one".