196239641 has 8 divisors (see below), whose sum is σ = 218152704. Its totient is φ = 175300560.

The previous prime is 196239599. The next prime is 196239647. The reversal of 196239641 is 146932691.

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

It is a cyclic number.

It is not a de Polignac number, because 196239641 - 2¹⁸ = 195977497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196239647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243071 + ... + 243876.

It is an arithmetic number, because the mean of its divisors is an integer number (27269088).

Almost surely, 2^196239641 is an apocalyptic number.

It is an amenable number.

196239641 is a deficient number, since it is larger than the sum of its proper divisors (21913063).

196239641 is a wasteful number, since it uses less digits than its factorization.

196239641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486991.

The product of its digits is 69984, while the sum is 41.

The square root of 196239641 is about 14008.5559926782. Note that the first 3 decimals coincide. The cubic root of 196239641 is about 581.1152155816.

The spelling of 196239641 in words is "one hundred ninety-six million, two hundred thirty-nine thousand, six hundred forty-one".