197009983 has 8 divisors (see below), whose sum is σ = 199053360. Its totient is φ = 194975040.

The previous prime is 197009959. The next prime is 197009999. The reversal of 197009983 is 389900791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197009983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197009903) 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 7 ways as a sum of consecutive naturals, for example, 51741 + ... + 55417.

It is an arithmetic number, because the mean of its divisors is an integer number (24881670).

Almost surely, 2^197009983 is an apocalyptic number.

197009983 is a deficient number, since it is larger than the sum of its proper divisors (2043377).

197009983 is a wasteful number, since it uses less digits than its factorization.

197009983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4217.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 197009983 is about 14036.0244727629. The cubic root of 197009983 is about 581.8746152743.

The spelling of 197009983 in words is "one hundred ninety-seven million, nine thousand, nine hundred eighty-three".