196499827 has 2 divisors, whose sum is σ = 196499828. Its totient is φ = 196499826.

The previous prime is 196499803. The next prime is 196499857. The reversal of 196499827 is 728994691.

It is a weak prime.

It is an emirp because it is prime and its reverse (728994691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196499827 - 2¹⁹ = 195975539 is a prime.

It is a super-2 number, since 2×196499827² = 77224364022059858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (196499857) 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, 98249913 + 98249914.

It is an arithmetic number, because the mean of its divisors is an integer number (98249914).

Almost surely, 2^196499827 is an apocalyptic number.

196499827 is a deficient number, since it is larger than the sum of its proper divisors (1).

196499827 is an equidigital number, since it uses as much as digits as its factorization.

196499827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 55.

The square root of 196499827 is about 14017.8395981692. The cubic root of 196499827 is about 581.3719276802.

The spelling of 196499827 in words is "one hundred ninety-six million, four hundred ninety-nine thousand, eight hundred twenty-seven".