196523938 has 16 divisors (see below), whose sum is σ = 317693376. Its totient is φ = 90637200.

The previous prime is 196523917. The next prime is 196523941. The reversal of 196523938 is 839325691.

It is a happy number.

It is an unprimeable number.

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, 64845 + ... + 67807.

It is an arithmetic number, because the mean of its divisors is an integer number (19855836).

Almost surely, 2^196523938 is an apocalyptic number.

196523938 is a deficient number, since it is larger than the sum of its proper divisors (121169438).

196523938 is a wasteful number, since it uses less digits than its factorization.

196523938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5529.

The product of its digits is 349920, while the sum is 46.

The square root of 196523938 is about 14018.6995830569. The cubic root of 196523938 is about 581.3957052843.

The spelling of 196523938 in words is "one hundred ninety-six million, five hundred twenty-three thousand, nine hundred thirty-eight".