196435939 has 8 divisors (see below), whose sum is σ = 234259200. Its totient is φ = 161052936.

The previous prime is 196435931. The next prime is 196435951. The reversal of 196435939 is 939534691.

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 196435939 - 2³ = 196435931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 196435892 and 196435901.

It is not an unprimeable number, because it can be changed into a prime (196435931) by changing a digit.

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, 609889 + ... + 610210.

It is an arithmetic number, because the mean of its divisors is an integer number (29282400).

Almost surely, 2^196435939 is an apocalyptic number.

196435939 is a deficient number, since it is larger than the sum of its proper divisors (37823261).

196435939 is a wasteful number, since it uses less digits than its factorization.

196435939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220129.

The product of its digits is 787320, while the sum is 49.

The square root of 196435939 is about 14015.5606024162. The cubic root of 196435939 is about 581.3089136878.

The spelling of 196435939 in words is "one hundred ninety-six million, four hundred thirty-five thousand, nine hundred thirty-nine".