196488819 has 24 divisors (see below), whose sum is σ = 294528000. Its totient is φ = 126094320.

The previous prime is 196488763. The next prime is 196488829. The reversal of 196488819 is 918884691.

It is not a de Polignac number, because 196488819 - 2¹² = 196484723 is a prime.

It is a super-2 number, since 2×196488819² = 77215711984029522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (196488829) 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 in 23 ways as a sum of consecutive naturals, for example, 53752 + ... + 57290.

It is an arithmetic number, because the mean of its divisors is an integer number (12272000).

Almost surely, 2^196488819 is an apocalyptic number.

196488819 is a deficient number, since it is larger than the sum of its proper divisors (98039181).

196488819 is a wasteful number, since it uses less digits than its factorization.

196488819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3775 (or 3772 counting only the distinct ones).

The product of its digits is 995328, while the sum is 54.

The square root of 196488819 is about 14017.4469501404. The cubic root of 196488819 is about 581.3610712471.

The spelling of 196488819 in words is "one hundred ninety-six million, four hundred eighty-eight thousand, eight hundred nineteen".