196586938 has 16 divisors (see below), whose sum is σ = 303264000. Its totient is φ = 95536672.

The previous prime is 196586899. The next prime is 196586981. The reversal of 196586938 is 839685691.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1143 + ... + 19861.

It is an arithmetic number, because the mean of its divisors is an integer number (18954000).

Almost surely, 2^196586938 is an apocalyptic number.

196586938 is a deficient number, since it is larger than the sum of its proper divisors (106677062).

196586938 is a wasteful number, since it uses less digits than its factorization.

196586938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18869.

The product of its digits is 2799360, while the sum is 55.

The square root of 196586938 is about 14020.9464017234. The cubic root of 196586938 is about 581.4578249707.

The spelling of 196586938 in words is "one hundred ninety-six million, five hundred eighty-six thousand, nine hundred thirty-eight".