196784975 has 12 divisors (see below), whose sum is σ = 244191216. Its totient is φ = 157313280.

The previous prime is 196784897. The next prime is 196784977. The reversal of 196784975 is 579487691.

It is not a de Polignac number, because 196784975 - 2¹² = 196780879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 196784975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196784977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55094 + ... + 58556.

It is an arithmetic number, because the mean of its divisors is an integer number (20349268).

Almost surely, 2^196784975 is an apocalyptic number.

196784975 is a deficient number, since it is larger than the sum of its proper divisors (47406241).

196784975 is a wasteful number, since it uses less digits than its factorization.

196784975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5746 (or 5741 counting only the distinct ones).

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

The square root of 196784975 is about 14028.0068078113. The cubic root of 196784975 is about 581.6530083665.

The spelling of 196784975 in words is "one hundred ninety-six million, seven hundred eighty-four thousand, nine hundred seventy-five".