196443419 has 4 divisors (see below), whose sum is σ = 203217360. Its totient is φ = 189669480.

The previous prime is 196443389. The next prime is 196443427. The reversal of 196443419 is 914344691.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 196443419 - 2²⁴ = 179666203 is a prime.

It is a super-2 number, since 2×196443419² = 77180033736819122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196443469) 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, 3386927 + ... + 3386984.

It is an arithmetic number, because the mean of its divisors is an integer number (50804340).

Almost surely, 2^196443419 is an apocalyptic number.

196443419 is a deficient number, since it is larger than the sum of its proper divisors (6773941).

196443419 is an equidigital number, since it uses as much as digits as its factorization.

196443419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6773940.

The product of its digits is 93312, while the sum is 41.

The square root of 196443419 is about 14015.8274461410. The cubic root of 196443419 is about 581.3162920652.

The spelling of 196443419 in words is "one hundred ninety-six million, four hundred forty-three thousand, four hundred nineteen".