196348993 has 2 divisors, whose sum is σ = 196348994. Its totient is φ = 196348992.

The previous prime is 196348987. The next prime is 196349063. The reversal of 196348993 is 399843691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162511504 + 33837489 = 12748^2 + 5817^2 .

It is a cyclic number.

It is not a de Polignac number, because 196348993 - 2⁵ = 196348961 is a prime.

It is a super-2 number, since 2×196348993² = 77105854104228098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 196348993.

It is not a weakly prime, because it can be changed into another prime (196348393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98174496 + 98174497.

It is an arithmetic number, because the mean of its divisors is an integer number (98174497).

Almost surely, 2^196348993 is an apocalyptic number.

It is an amenable number.

196348993 is a deficient number, since it is larger than the sum of its proper divisors (1).

196348993 is an equidigital number, since it uses as much as digits as its factorization.

196348993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1259712, while the sum is 52.

The square root of 196348993 is about 14012.4584923560. The cubic root of 196348993 is about 581.2231351826.

The spelling of 196348993 in words is "one hundred ninety-six million, three hundred forty-eight thousand, nine hundred ninety-three".