196190243 has 4 divisors (see below), whose sum is σ = 201492720. Its totient is φ = 190887768.

The previous prime is 196190233. The next prime is 196190263. The reversal of 196190243 is 342091691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342091691 = 1523 ⋅224617.

It is a cyclic number.

It is not a de Polignac number, because 196190243 - 2¹² = 196186147 is a prime.

It is a super-2 number, since 2×196190243² = 76981222896798098, which contains 22 as substring.

It is a Duffinian number.

196190243 is a modest number, since divided by 90243 gives 1961 as remainder.

It is not an unprimeable number, because it can be changed into a prime (196190233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2651183 + ... + 2651256.

It is an arithmetic number, because the mean of its divisors is an integer number (50373180).

Almost surely, 2^196190243 is an apocalyptic number.

196190243 is a deficient number, since it is larger than the sum of its proper divisors (5302477).

196190243 is an equidigital number, since it uses as much as digits as its factorization.

196190243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5302476.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 196190243 is about 14006.7927449506. The cubic root of 196190243 is about 581.0664514986.

The spelling of 196190243 in words is "one hundred ninety-six million, one hundred ninety thousand, two hundred forty-three".