196972974 has 24 divisors (see below), whose sum is σ = 465572952. Its totient is φ = 59688720.

The previous prime is 196972973. The next prime is 196973009. The reversal of 196972974 is 479279691.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 196972974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196972973) 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 11 ways as a sum of consecutive naturals, for example, 497209 + ... + 497604.

It is an arithmetic number, because the mean of its divisors is an integer number (19398873).

Almost surely, 2^196972974 is an apocalyptic number.

196972974 is an abundant number, since it is smaller than the sum of its proper divisors (268599978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196972974 is a wasteful number, since it uses less digits than its factorization.

196972974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994832 (or 994829 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 54.

The square root of 196972974 is about 14034.7060532097. The cubic root of 196972974 is about 581.8381772795.

The spelling of 196972974 in words is "one hundred ninety-six million, nine hundred seventy-two thousand, nine hundred seventy-four".