196299793 has 4 divisors (see below), whose sum is σ = 196726068. Its totient is φ = 195873520.

The previous prime is 196299767. The next prime is 196299809. The reversal of 196299793 is 397992691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 397992691 = 347 ⋅1146953.

It can be written as a sum of positive squares in 2 ways, for example, as 115605504 + 80694289 = 10752^2 + 8983^2 .

It is a cyclic number.

It is not a de Polignac number, because 196299793 - 2²¹ = 194202641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196299703) 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 3 ways as a sum of consecutive naturals, for example, 212446 + ... + 213367.

It is an arithmetic number, because the mean of its divisors is an integer number (49181517).

Almost surely, 2^196299793 is an apocalyptic number.

It is an amenable number.

196299793 is a deficient number, since it is larger than the sum of its proper divisors (426275).

196299793 is an equidigital number, since it uses as much as digits as its factorization.

196299793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426274.

The product of its digits is 1653372, while the sum is 55.

The square root of 196299793 is about 14010.7028017869. The cubic root of 196299793 is about 581.1745846118.

The spelling of 196299793 in words is "one hundred ninety-six million, two hundred ninety-nine thousand, seven hundred ninety-three".