196975998 has 12 divisors (see below), whose sum is σ = 426781368. Its totient is φ = 65658660.

The previous prime is 196975981. The next prime is 196976011. The reversal of 196975998 is 899579691.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5471538 + ... + 5471573.

It is an arithmetic number, because the mean of its divisors is an integer number (35565114).

Almost surely, 2^196975998 is an apocalyptic number.

196975998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

196975998 is an abundant number, since it is smaller than the sum of its proper divisors (229805370).

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

196975998 is a wasteful number, since it uses less digits than its factorization.

196975998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10943119 (or 10943116 counting only the distinct ones).

The product of its digits is 11022480, while the sum is 63.

The square root of 196975998 is about 14034.8137857258. The cubic root of 196975998 is about 581.8411547940.

The spelling of 196975998 in words is "one hundred ninety-six million, nine hundred seventy-five thousand, nine hundred ninety-eight".