196984775 has 24 divisors (see below), whose sum is σ = 267534960. Its totient is φ = 142986240.

The previous prime is 196984771. The next prime is 196984783. The reversal of 196984775 is 577489691.

It is not a de Polignac number, because 196984775 - 2² = 196984771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 196984775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196984771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14039 + ... + 24311.

It is an arithmetic number, because the mean of its divisors is an integer number (11147290).

Almost surely, 2^196984775 is an apocalyptic number.

196984775 is a deficient number, since it is larger than the sum of its proper divisors (70550185).

196984775 is a wasteful number, since it uses less digits than its factorization.

196984775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10355 (or 10350 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 56.

The square root of 196984775 is about 14035.1264689706. The cubic root of 196984775 is about 581.8497966996.

The spelling of 196984775 in words is "one hundred ninety-six million, nine hundred eighty-four thousand, seven hundred seventy-five".