196797643 has 8 divisors (see below), whose sum is σ = 226259712. Its totient is φ = 167672616.

The previous prime is 196797613. The next prime is 196797677. The reversal of 196797643 is 346797691.

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 196797643 - 2¹³ = 196789451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196797613) 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, 83005 + ... + 85342.

It is an arithmetic number, because the mean of its divisors is an integer number (28282464).

Almost surely, 2^196797643 is an apocalyptic number.

196797643 is a deficient number, since it is larger than the sum of its proper divisors (29462069).

196797643 is a wasteful number, since it uses less digits than its factorization.

196797643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168521.

The product of its digits is 1714608, while the sum is 52.

The square root of 196797643 is about 14028.4583258461. The cubic root of 196797643 is about 581.6654893705.

The spelling of 196797643 in words is "one hundred ninety-six million, seven hundred ninety-seven thousand, six hundred forty-three".