196314421 has 2 divisors, whose sum is σ = 196314422. Its totient is φ = 196314420.

The previous prime is 196314359. The next prime is 196314431. The reversal of 196314421 is 124413691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186322500 + 9991921 = 13650^2 + 3161^2 .

It is a cyclic number.

It is not a de Polignac number, because 196314421 - 2²¹ = 194217269 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196314431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98157210 + 98157211.

It is an arithmetic number, because the mean of its divisors is an integer number (98157211).

Almost surely, 2^196314421 is an apocalyptic number.

It is an amenable number.

196314421 is a deficient number, since it is larger than the sum of its proper divisors (1).

196314421 is an equidigital number, since it uses as much as digits as its factorization.

196314421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 31.

The square root of 196314421 is about 14011.2248215493. The cubic root of 196314421 is about 581.1890203727.

It can be divided in two parts, 1963 and 14421, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 196314421 in words is "one hundred ninety-six million, three hundred fourteen thousand, four hundred twenty-one".