196043438 has 16 divisors (see below), whose sum is σ = 297185760. Its totient is φ = 96986496.

The previous prime is 196043431. The next prime is 196043459. The reversal of 196043438 is 834340691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196043431) 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, 97370 + ... + 99362.

It is an arithmetic number, because the mean of its divisors is an integer number (18574110).

Almost surely, 2^196043438 is an apocalyptic number.

196043438 is a deficient number, since it is larger than the sum of its proper divisors (101142322).

196043438 is a wasteful number, since it uses less digits than its factorization.

196043438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 196043438 is about 14001.5512711985. The cubic root of 196043438 is about 580.9214820973.

The spelling of 196043438 in words is "one hundred ninety-six million, forty-three thousand, four hundred thirty-eight".